Fix mypy errors

Author: Erotemic

src/xdoctest/parser.py

@@ -722,7 +722,7 @@ def _label_docsrc_lines(self, string: str) -> list[tuple[str, str]]:
         """
 
         # parse and differentiate between doctest source and want statements.
-        labeled_lines = []
+        labeled_lines: list[tuple[str, str]] = []
         state_indent = 0
 
         # line states
@@ -837,8 +837,8 @@ def _label_docsrc_lines(self, string: str) -> list[tuple[str, str]]:
                         print('line = {!r}'.format(line))
                         print('Failed to label source lines')
                         print('Labeled lines so far: <[[[[[[[[[[')
-                        for line in labeled_lines:
-                            print(line)
+                        for _line in labeled_lines:
+                            print(_line)
                         print(']]]]]]]]]]>')
                         print('</LABEL FAIL>')
                     raise

src/xdoctest/plugin.py

@@ -450,17 +450,17 @@ def func():
     xdoctest_item.funcargs = {}
     fm = xdoctest_item.session._fixturemanager
     xdoctest_item._fixtureinfo = fm.getfixtureinfo(
-        node=xdoctest_item, func=func, cls=None, funcargs=False  # type: ignore[attr-defined]
+        node=xdoctest_item, func=func, cls=None, funcargs=False  # type: ignore[attr-defined, call-arg]
     )
     # Note: FixtureRequest may change in the future, we are using
     # private functionality. Hopefully it wont break, but we should
     # check to see if there is a better way to do this
     # https://github.com/pytest-dev/pytest/discussions/8512#discussioncomment-563347
     if _PYTEST_IS_GE_620:
         # The "_ispytest" arg was added in 3.6.1
-        fixture_request = fixtures.FixtureRequest(xdoctest_item, _ispytest=True)  # type: ignore[abstract, call-arg]
+        fixture_request = fixtures.FixtureRequest(xdoctest_item, _ispytest=True)  # type: ignore[abstract, call-arg, arg-type]
     else:
-        fixture_request = fixtures.FixtureRequest(xdoctest_item)  # type: ignore[abstract, call-arg]
+        fixture_request = fixtures.FixtureRequest(xdoctest_item)  # type: ignore[abstract, call-arg, arg-type]
     fixture_request._fillfixtures()  # type: ignore[attr-defined]
     return fixture_request