fix mypy errors and work around python/mypy#11852

Author: asottile

git_code_debt/generate.py

@@ -155,7 +155,8 @@ def load_data(
                 itertools.repeat(metric_parsers),
                 itertools.repeat(exclude),
             )
-            with mapper(jobs) as do_map:
+            # https://github.com/python/mypy/issues/11852
+            with mapper(jobs) as do_map:  # type: ignore
                 for commit, metrics in zip(
                         commits, do_map(_get_metrics_inner, mp_args),
                 ):

git_code_debt/util/discovery.py

@@ -21,8 +21,7 @@ class is to be included in the output.
     matched_classes = set()
 
     for _, module_name, _ in pkgutil.walk_packages(
-            # https://github.com/python/mypy/issues/1422
-            package.__path__,  # type: ignore
+            package.__path__,
             prefix=package.__name__ + '.',
     ):
         module = __import__(module_name, fromlist=['__trash'], level=0)

tests/generate_test.py

@@ -61,7 +61,8 @@ def square(x):
 
 @pytest.mark.parametrize('jobs', (1, 4))
 def test_mapper(jobs):
-    with mapper(jobs) as do_map:
+    # https://github.com/python/mypy/issues/11852
+    with mapper(jobs) as do_map:  # type: ignore
         ret = tuple(do_map(square, (3, 5, 9)))
         assert ret == (9, 25, 81)