diff --git a/pandas/_testing/__init__.py b/pandas/_testing/__init__.py
index c51ceb750c338..3274d75128917 100644
--- a/pandas/_testing/__init__.py
+++ b/pandas/_testing/__init__.py
@@ -136,24 +136,16 @@ def set_testing_mode():
     # set the testing mode filters
     testing_mode = os.environ.get("PANDAS_TESTING_MODE", "None")
     if "deprecate" in testing_mode:
-        # pandas\_testing.py:119: error: Argument 2 to "simplefilter" has
-        # incompatible type "Tuple[Type[DeprecationWarning],
-        # Type[ResourceWarning]]"; expected "Type[Warning]"
-        warnings.simplefilter(
-            "always", _testing_mode_warnings  # type: ignore[arg-type]
-        )
+        for category in _testing_mode_warnings:
+            warnings.simplefilter("always", category)
 
 
 def reset_testing_mode():
     # reset the testing mode filters
     testing_mode = os.environ.get("PANDAS_TESTING_MODE", "None")
     if "deprecate" in testing_mode:
-        # pandas\_testing.py:126: error: Argument 2 to "simplefilter" has
-        # incompatible type "Tuple[Type[DeprecationWarning],
-        # Type[ResourceWarning]]"; expected "Type[Warning]"
-        warnings.simplefilter(
-            "ignore", _testing_mode_warnings  # type: ignore[arg-type]
-        )
+        for category in _testing_mode_warnings:
+            warnings.simplefilter("ignore", category)
 
 
 set_testing_mode()
diff --git a/pandas/core/indexes/period.py b/pandas/core/indexes/period.py
index 8fe92ed757401..fe9560a1f2f3f 100644
--- a/pandas/core/indexes/period.py
+++ b/pandas/core/indexes/period.py
@@ -164,18 +164,21 @@ def to_timestamp(self, freq=None, how="start") -> DatetimeIndex:
         arr = self._data.to_timestamp(freq, how)
         return DatetimeIndex._simple_new(arr, name=self.name)
 
+    # https://github.com/python/mypy/issues/1362
     # error: Decorated property not supported  [misc]
     @property  # type:ignore[misc]
     @doc(PeriodArray.hour.fget)
     def hour(self) -> Int64Index:
         return Int64Index(self._data.hour, name=self.name)
 
+    # https://github.com/python/mypy/issues/1362
     # error: Decorated property not supported  [misc]
     @property  # type:ignore[misc]
     @doc(PeriodArray.minute.fget)
     def minute(self) -> Int64Index:
         return Int64Index(self._data.minute, name=self.name)
 
+    # https://github.com/python/mypy/issues/1362
     # error: Decorated property not supported  [misc]
     @property  # type:ignore[misc]
     @doc(PeriodArray.second.fget)