Fixed bug that results in false negative when raising a value of type…

[erictraut]

… None. This addresses #9423.

[github-actions]

Diff from mypy_primer, showing the effect of this PR on open source code:

jinja (https://github.com/pallets/jinja)
+   /tmp/mypy_primer/projects/jinja/src/jinja2/filters.py:1735:78 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/jinja/src/jinja2/filters.py:1756:84 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/jinja/src/jinja2/utils.py:749:45 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
- 54 errors, 14 warnings, 0 informations 
+ 57 errors, 14 warnings, 0 informations 

pytest (https://github.com/pytest-dev/pytest)
+   /tmp/mypy_primer/projects/pytest/scripts/prepare-release-pr.py:85:34 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/pytest/src/_pytest/fixtures.py:893:83 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/pytest/src/_pytest/skipping.py:190:85 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+ /tmp/mypy_primer/projects/pytest/src/_pytest/warning_types.py
+   /tmp/mypy_primer/projects/pytest/src/_pytest/warning_types.py:148:61 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/pytest/src/_pytest/config/__init__.py:1931:68 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/pytest/src/_pytest/config/__init__.py:1937:76 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/pytest/src/_pytest/config/__init__.py:1950:20 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/pytest/src/_pytest/mark/__init__.py:275:62 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
- 765 errors, 43 warnings, 0 informations 
+ 773 errors, 43 warnings, 0 informations 

steam.py (https://github.com/Gobot1234/steam.py)
+   /tmp/mypy_primer/projects/steam.py/poetry_build.py:18:51 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/steam.py/steam/app.py:106:67 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/steam.py/steam/app.py:1434:100 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/steam.py/steam/enums.py:191:79 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/steam.py/steam/game_server.py:176:94 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/steam.py/steam/gateway.py:631:45 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/steam.py/steam/id.py:81:104 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/steam.py/steam/id.py:84:87 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/steam.py/steam/state.py:1104:43 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/steam.py/steam/state.py:1982:107 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/steam.py/steam/utils.py:572:46 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/steam.py/steam/ext/commands/bot.py:290:20 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/steam.py/steam/ext/commands/bot.py:324:20 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/steam.py/steam/ext/commands/commands.py:253:101 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/steam.py/steam/ext/commands/commands.py:266:106 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/steam.py/steam/ext/commands/commands.py:270:101 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/steam.py/steam/ext/commands/commands.py:455:81 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/steam.py/steam/ext/commands/converters.py:238:96 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/steam.py/steam/ext/commands/converters.py:288:91 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/steam.py/steam/ext/commands/converters.py:291:87 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/steam.py/steam/ext/commands/converters.py:311:87 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/steam.py/steam/ext/commands/converters.py:386:86 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/steam.py/steam/ext/tf2/currency.py:84:93 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/steam.py/steam/protobufs/msg.py:108:24 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
- 8431 errors, 95 warnings, 0 informations 
+ 8455 errors, 95 warnings, 0 informations 

yarl (https://github.com/aio-libs/yarl)
+   /tmp/mypy_primer/projects/yarl/yarl/_url.py:1484:20 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
- 239 errors, 11 warnings, 0 informations 
+ 240 errors, 11 warnings, 0 informations 

rich (https://github.com/Textualize/rich)
+   /tmp/mypy_primer/projects/rich/rich/console.py:1485:20 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+ /tmp/mypy_primer/projects/rich/rich/markup.py
+   /tmp/mypy_primer/projects/rich/rich/markup.py:169:32 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/rich/rich/markup.py:176:32 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/rich/rich/markup.py:198:36 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+ /tmp/mypy_primer/projects/rich/rich/repr.py
+   /tmp/mypy_primer/projects/rich/rich/repr.py:86:24 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/rich/rich/style.py:531:28 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/rich/rich/style.py:558:28 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
- 364 errors, 41 warnings, 0 informations 
+ 371 errors, 41 warnings, 0 informations 

pyodide (https://github.com/pyodide/pyodide)
+ /tmp/mypy_primer/projects/pyodide/src/py/_pyodide/_importhook.py
+   /tmp/mypy_primer/projects/pyodide/src/py/_pyodide/_importhook.py:34:24 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/pyodide/src/py/_pyodide/_importhook.py:96:20 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/pyodide/src/py/pyodide/http.py:112:80 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/pyodide/src/py/pyodide/http.py:417:34 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/pyodide/pyodide-build/pyodide_build/build_env.py:247:16 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/pyodide/pyodide-build/pyodide_build/build_env.py:255:76 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/pyodide/pyodide-build/pyodide_build/pywasmcross.py:50:20 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
- 752 errors, 14 warnings, 0 informations 
+ 759 errors, 14 warnings, 0 informations 

psycopg (https://github.com/psycopg/psycopg)
+ /tmp/mypy_primer/projects/psycopg/psycopg/psycopg/_py_transformer.py
+   /tmp/mypy_primer/projects/psycopg/psycopg/psycopg/_py_transformer.py:252:31 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/psycopg/psycopg/psycopg/connection.py:453:53 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/psycopg/psycopg/psycopg/connection_async.py:493:53 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+ /tmp/mypy_primer/projects/psycopg/psycopg/psycopg/conninfo.py
+   /tmp/mypy_primer/projects/psycopg/psycopg/psycopg/conninfo.py:105:48 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/psycopg/psycopg/psycopg/conninfo.py:143:84 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/psycopg/psycopg/psycopg/types/datetime.py:268:81 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/psycopg/psycopg/psycopg/types/datetime.py:270:80 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/psycopg/psycopg/psycopg/types/datetime.py:272:71 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/psycopg/psycopg/psycopg/types/datetime.py:284:72 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/psycopg/psycopg/psycopg/types/datetime.py:286:73 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/psycopg/psycopg/psycopg/types/datetime.py:312:66 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/psycopg/psycopg/psycopg/types/datetime.py:326:77 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/psycopg/psycopg/psycopg/types/datetime.py:367:68 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/psycopg/psycopg/psycopg/types/datetime.py:383:77 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/psycopg/psycopg/psycopg/types/datetime.py:435:73 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/psycopg/psycopg/psycopg/types/datetime.py:455:67 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/psycopg/psycopg/psycopg/types/datetime.py:468:77 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/psycopg/psycopg/psycopg/types/datetime.py:480:77 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/psycopg/psycopg/psycopg/types/datetime.py:482:78 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/psycopg/psycopg/psycopg/types/datetime.py:515:73 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/psycopg/psycopg/psycopg/types/datetime.py:556:73 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/psycopg/psycopg/psycopg/types/datetime.py:598:77 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/psycopg/psycopg/psycopg/types/datetime.py:600:78 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/psycopg/psycopg/psycopg/types/datetime.py:652:70 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/psycopg/psycopg/psycopg/types/datetime.py:678:64 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/psycopg/psycopg/psycopg/types/numeric.py:348:83 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/psycopg/psycopg_pool/psycopg_pool/null_pool.py:110:49 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/psycopg/psycopg_pool/psycopg_pool/null_pool_async.py:105:49 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/psycopg/psycopg_pool/psycopg_pool/pool.py:203:20 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/psycopg/psycopg_pool/psycopg_pool/pool_async.py:227:20 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/psycopg/psycopg_pool/psycopg_pool/pool_async.py:415:24 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/psycopg/tests/fix_db.py:144:20 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/psycopg/tests/fix_faker.py:165:32 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/psycopg/tests/fix_faker.py:190:32 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
- 1841 errors, 106 warnings, 0 informations 
+ 1875 errors, 106 warnings, 0 informations 

ibis (https://github.com/ibis-project/ibis)
+   /tmp/mypy_primer/projects/ibis/ibis/util.py:486:82 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/ibis/ibis/backends/__init__.py:1440:77 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/ibis/ibis/expr/types/relations.py:2692:28 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/ibis/ibis/expr/types/structs.py:270:45 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
- 7296 errors, 126 warnings, 0 informations 
+ 7300 errors, 126 warnings, 0 informations 

sympy (https://github.com/sympy/sympy)
+   /tmp/mypy_primer/projects/sympy/sympy/printing/preview.py:334:77 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
- 42163 errors, 65 warnings, 0 informations 
+ 42164 errors, 65 warnings, 0 informations 

discord.py (https://github.com/Rapptz/discord.py)
+   /tmp/mypy_primer/projects/discord.py/discord/abc.py:1602:114 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/discord.py/discord/client.py:739:76 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/discord.py/discord/colour.py:50:58 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/discord.py/discord/gateway.py:642:62 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/discord.py/discord/gateway.py:647:62 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/discord.py/discord/gateway.py:650:93 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+ /tmp/mypy_primer/projects/discord.py/discord/object.py
+   /tmp/mypy_primer/projects/discord.py/discord/object.py:97:106 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+ /tmp/mypy_primer/projects/discord.py/discord/oggparse.py
+   /tmp/mypy_primer/projects/discord.py/discord/oggparse.py:70:52 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/discord.py/discord/permissions.py:147:82 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/discord.py/discord/player.py:208:72 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/discord.py/discord/shard.py:467:77 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/discord.py/discord/app_commands/commands.py:846:63 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/discord.py/discord/app_commands/commands.py:871:59 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/discord.py/discord/app_commands/commands.py:898:59 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/discord.py/discord/app_commands/commands.py:1106:70 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/discord.py/discord/app_commands/transformers.py:641:105 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+ /tmp/mypy_primer/projects/discord.py/discord/app_commands/tree.py
+   /tmp/mypy_primer/projects/discord.py/discord/app_commands/tree.py:1134:60 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/discord.py/discord/ext/commands/converter.py:324:55 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/discord.py/discord/ext/commands/core.py:746:39 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/discord.py/discord/ext/commands/core.py:1990:94 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/discord.py/discord/ext/commands/hybrid.py:357:76 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/discord.py/discord/ext/commands/hybrid.py:368:76 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
- 109 errors, 95 warnings, 0 informations 
+ 131 errors, 95 warnings, 0 informations 

mongo-python-driver (https://github.com/mongodb/mongo-python-driver)
+   /tmp/mypy_primer/projects/mongo-python-driver/bson/__init__.py:301:42 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/mongo-python-driver/bson/__init__.py:634:71 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/mongo-python-driver/bson/__init__.py:674:20 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/mongo-python-driver/bson/__init__.py:690:20 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/mongo-python-driver/bson/__init__.py:840:80 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/mongo-python-driver/bson/__init__.py:853:76 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/mongo-python-driver/bson/__init__.py:1011:83 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/mongo-python-driver/bson/__init__.py:1124:71 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/mongo-python-driver/bson/dbref.py:91:44 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/mongo-python-driver/bson/son.py:142:55 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+ /tmp/mypy_primer/projects/mongo-python-driver/gridfs/asynchronous/grid_file.py
+   /tmp/mypy_primer/projects/mongo-python-driver/gridfs/asynchronous/grid_file.py:235:86 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/mongo-python-driver/gridfs/asynchronous/grid_file.py:936:87 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/mongo-python-driver/gridfs/asynchronous/grid_file.py:1310:85 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/mongo-python-driver/gridfs/asynchronous/grid_file.py:1317:28 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/mongo-python-driver/gridfs/asynchronous/grid_file.py:1826:75 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+ /tmp/mypy_primer/projects/mongo-python-driver/gridfs/synchronous/grid_file.py
+   /tmp/mypy_primer/projects/mongo-python-driver/gridfs/synchronous/grid_file.py:235:86 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/mongo-python-driver/gridfs/synchronous/grid_file.py:932:87 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/mongo-python-driver/gridfs/synchronous/grid_file.py:1300:85 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/mongo-python-driver/gridfs/synchronous/grid_file.py:1307:28 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/mongo-python-driver/gridfs/synchronous/grid_file.py:1816:75 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+ /tmp/mypy_primer/projects/mongo-python-driver/pymongo/_azure_helpers.py
+   /tmp/mypy_primer/projects/mongo-python-driver/pymongo/_azure_helpers.py:41:36 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/mongo-python-driver/pymongo/_azure_helpers.py:49:78 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+ /tmp/mypy_primer/projects/mongo-python-driver/pymongo/_gcp_helpers.py
+   /tmp/mypy_primer/projects/mongo-python-driver/pymongo/_gcp_helpers.py:34:36 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+ /tmp/mypy_primer/projects/mongo-python-driver/pymongo/common.py
+   /tmp/mypy_primer/projects/mongo-python-driver/pymongo/common.py:204:80 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/mongo-python-driver/pymongo/common.py:296:39 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/mongo-python-driver/pymongo/common.py:298:38 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/mongo-python-driver/pymongo/common.py:402:16 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/mongo-python-driver/pymongo/common.py:422:80 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/mongo-python-driver/pymongo/compression_support.py:94:78 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/mongo-python-driver/pymongo/message.py:795:56 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/mongo-python-driver/pymongo/message.py:1302:56 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/mongo-python-driver/pymongo/network_layer.py:107:78 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/mongo-python-driver/pymongo/network_layer.py:156:78 - error: Invalid exception class or object
+     "None" does not derive from BaseException (reportGeneralTypeIssues)
+   /tmp/mypy_primer/projects/mongo-python-driver/pymongo/network_layer.py:365:52 - error: Invalid exception class or object

... (truncated 1180 lines) ...```