fix flake8 config (#300)

pyproject.toml

@@ -39,7 +39,7 @@ Source = "https://github.com/Thriftpy/thriftpy2"
 
 [project.optional-dependencies]
 dev = [
-    "flake8>=2.5",
+    "flake8>=4.0",
     "sphinx-rtd-theme>=0.1.9",
     "sphinx>=1.3",
     "pytest-reraise",

setup.cfg

@@ -3,7 +3,7 @@ universal = 1
 
 [flake8]
 filename = *.py, *.pyx
-max-line-length = 80
+max-line-length = 100
 exclude =
     setup.py,
     .git,
@@ -13,6 +13,8 @@ exclude =
     dist,
     .tox,
     venv*
+    .venv
+    tests
 ignore =
     # Ambiguous variable names
     E741
@@ -26,4 +28,13 @@ ignore =
 # E251: Unexpected spaces around keyword / parameter equals (types in function definitions)
 # E402: module level import not at top of file
 # E999: Internal AST compilation error (flake8 specific)
-per-file-ignores = *.pyx: E211,E225,E226,E227,E251,E402,E999
+# Apache JSON requires special flags
+# E226: missing whitespace around arithmetic operator
+# E501: line too long
+# Cybin requires special flags
+# F401: module imported but unused
+# F403: 'from module import *' used; unable to detect undefined names
+per-file-ignores = 
+    *.pyx: E211,E225,E226,E227,E251,E402,E999
+    apache_json.py: E226,E501
+    */cybin/__init__.py: F401,F403

tox.ini

@@ -10,8 +10,6 @@ commands =
     py.test
 
 deps =
-    attrs==20.3.0; python_version == '3.4'
-    typing; python_version == '3.4'
     pytest>=6.1.1,<8.2.0
     pytest-reraise
     coverage
@@ -23,8 +21,7 @@ deps =
 
 [testenv:flake8]
 deps =
-    flake8
-    flake8-per-file-ignores
+    flake8>=4.0
 commands = flake8 .
 changedir = .