fixup! Search sys.path for PEP-561 compliant packages

Author: AWhetter

mypy/modulefinder.py

@@ -17,7 +17,7 @@
 else:
     import tomli as tomllib
 
-from typing import Dict, Iterator, List, NamedTuple, Optional, Set, Tuple, Union
+from typing import Dict, List, NamedTuple, Optional, Set, Tuple, Union
 from typing_extensions import Final, TypeAlias as _TypeAlias
 
 from mypy.fscache import FileSystemCache
@@ -721,7 +721,8 @@ def compute_search_paths(sources: List[BuildSource],
         assert search_dir not in lib_path
         if (search_dir in mypypath or
                 any(p.startswith(search_dir + os.path.sep) for p in mypypath) or
-                os.path.altsep and any(p.startswith(search_dir + os.path.altsep) for p in mypypath)):
+                (os.path.altsep
+                    and any(p.startswith(search_dir + os.path.altsep) for p in mypypath))):
             print("{} is in the MYPYPATH. Please remove it.".format(search_dir), file=sys.stderr)
             print("See https://mypy.readthedocs.io/en/stable/running_mypy.html"
                   "#how-mypy-handles-imports for more info", file=sys.stderr)

mypy/pyinfo.py

@@ -7,7 +7,6 @@
 possible.
 """
 import os
-import site
 import sys
 import sysconfig
 
@@ -16,7 +15,7 @@
 
 MYPY = False
 if MYPY:
-    from typing import List, Tuple
+    from typing import List
 
 
 def getsearchdirs():