fix typing issues in mypy 0.920

testing/code/test_source.py

@@ -332,8 +332,7 @@ def test_findsource(monkeypatch) -> None:
     lines = ["if 1:\n", "    def x():\n", "          pass\n"]
     co = compile("".join(lines), filename, "exec")
 
-    # Type ignored because linecache.cache is private.
-    monkeypatch.setitem(linecache.cache, filename, (1, None, lines, filename))  # type: ignore[attr-defined]
+    monkeypatch.setitem(linecache.cache, filename, (1, None, lines, filename))
 
     src, lineno = findsource(co)
     assert src is not None

testing/test_assertrewrite.py

@@ -1057,7 +1057,7 @@ class TestAssertionRewriteHookDetails:
                 e = OSError()
                 e.errno = 10
                 raise e
-                yield  # type:ignore[unreachable]
+                yield
 
             monkeypatch.setattr(
                 _pytest.assertion.rewrite, "atomic_write", atomic_write_failed

testing/test_legacypath.py

@@ -14,7 +14,7 @@ def test_item_fspath(pytester: pytest.Pytester) -> None:
     items2, hookrec = pytester.inline_genitems(item.nodeid)
     (item2,) = items2
     assert item2.name == item.name
-    assert item2.fspath == item.fspath  # type: ignore[attr-defined]
+    assert item2.fspath == item.fspath
     assert item2.path == item.path
 
 

testing/test_pastebin.py

@@ -1,3 +1,4 @@
+import email.message
 import io
 from typing import List
 from typing import Union
@@ -98,7 +99,9 @@ class TestPaste:
 
         def mocked(url, data):
             calls.append((url, data))
-            raise urllib.error.HTTPError(url, 400, "Bad request", {}, io.BytesIO())
+            raise urllib.error.HTTPError(
+                url, 400, "Bad request", email.message.Message(), io.BytesIO()
+            )
 
         monkeypatch.setattr(urllib.request, "urlopen", mocked)
         return calls

testing/test_recwarn.py

@@ -114,13 +114,13 @@ class TestDeprecatedCall:
         # Type ignored because `onceregistry` and `filters` are not
         # documented API.
         onceregistry = warnings.onceregistry.copy()  # type: ignore
-        filters = warnings.filters[:]  # type: ignore
+        filters = warnings.filters[:]
         warn = warnings.warn
         warn_explicit = warnings.warn_explicit
         self.test_deprecated_call_raises()
         self.test_deprecated_call()
         assert onceregistry == warnings.onceregistry  # type: ignore
-        assert filters == warnings.filters  # type: ignore
+        assert filters == warnings.filters
         assert warn is warnings.warn
         assert warn_explicit is warnings.warn_explicit