diff --git a/src/resolvelib/resolvers/__init__.py b/src/resolvelib/resolvers/__init__.py
index 621dd05..1f0ddcc 100644
--- a/src/resolvelib/resolvers/__init__.py
+++ b/src/resolvelib/resolvers/__init__.py
@@ -6,13 +6,12 @@
     ResolutionError,
     ResolutionImpossible,
     ResolutionTooDeep,
+    Resolver,
     ResolverException,
 )
 
 __all__ = [
-    "AbstractProvider",
     "AbstractResolver",
-    "BaseReporter",
     "InconsistentCandidate",
     "Resolver",
     "RequirementsConflicted",
diff --git a/tests/functional/python/py2index.py b/tests/functional/python/py2index.py
index fc6a0bc..710831f 100644
--- a/tests/functional/python/py2index.py
+++ b/tests/functional/python/py2index.py
@@ -29,15 +29,7 @@
 import re
 import sys
 import urllib.parse
-from typing import (
-    Dict,
-    Iterable,
-    Iterator,
-    List,
-    NamedTuple,
-    Tuple,
-    Union,
-)
+from typing import Dict, Iterable, Iterator, List, NamedTuple, Tuple, Union
 
 import html5lib
 import packaging.requirements