Remove ignores due to pandas-stubs (#9329)

* Update test_conventions.py

* more

Author: Illviljan

xarray/tests/test_backends.py

@@ -568,7 +568,7 @@ def test_roundtrip_cftime_datetime_data(self) -> None:
                     assert actual.t.encoding["calendar"] == expected_calendar
 
     def test_roundtrip_timedelta_data(self) -> None:
-        time_deltas = pd.to_timedelta(["1h", "2h", "NaT"])  # type: ignore[arg-type]  #https://github.com/pandas-dev/pandas-stubs/issues/956
+        time_deltas = pd.to_timedelta(["1h", "2h", "NaT"])
         expected = Dataset({"td": ("td", time_deltas), "td0": time_deltas[0]})
         with self.roundtrip(expected) as actual:
             assert_identical(expected, actual)

xarray/tests/test_coding_times.py

@@ -628,10 +628,10 @@ def test_cf_timedelta_2d() -> None:
 @pytest.mark.parametrize(
     ["deltas", "expected"],
     [
-        (pd.to_timedelta(["1 day", "2 days"]), "days"),  # type: ignore[arg-type]  #https://github.com/pandas-dev/pandas-stubs/issues/956
-        (pd.to_timedelta(["1h", "1 day 1 hour"]), "hours"),  # type: ignore[arg-type]  #https://github.com/pandas-dev/pandas-stubs/issues/956
-        (pd.to_timedelta(["1m", "2m", np.nan]), "minutes"),  # type: ignore[arg-type]  #https://github.com/pandas-dev/pandas-stubs/issues/956
-        (pd.to_timedelta(["1m3s", "1m4s"]), "seconds"),  # type: ignore[arg-type]  #https://github.com/pandas-dev/pandas-stubs/issues/956
+        (pd.to_timedelta(["1 day", "2 days"]), "days"),
+        (pd.to_timedelta(["1h", "1 day 1 hour"]), "hours"),
+        (pd.to_timedelta(["1m", "2m", np.nan]), "minutes"),
+        (pd.to_timedelta(["1m3s", "1m4s"]), "seconds"),
     ],
 )
 def test_infer_timedelta_units(deltas, expected) -> None:

xarray/tests/test_conventions.py

@@ -119,7 +119,7 @@ def test_incompatible_attributes(self) -> None:
             Variable(
                 ["t"], pd.date_range("2000-01-01", periods=3), {"units": "foobar"}
             ),
-            Variable(["t"], pd.to_timedelta(["1 day"]), {"units": "foobar"}),  # type: ignore[arg-type]  #https://github.com/pandas-dev/pandas-stubs/issues/956
+            Variable(["t"], pd.to_timedelta(["1 day"]), {"units": "foobar"}),
             Variable(["t"], [0, 1, 2], {"add_offset": 0}, {"add_offset": 2}),
             Variable(["t"], [0, 1, 2], {"_FillValue": 0}, {"_FillValue": 2}),
         ]

xarray/tests/test_formatting.py

@@ -118,9 +118,9 @@ def test_format_items(self) -> None:
                 np.arange(4) * np.timedelta64(500, "ms"),
                 "00:00:00 00:00:00.500000 00:00:01 00:00:01.500000",
             ),
-            (pd.to_timedelta(["NaT", "0s", "1s", "NaT"]), "NaT 00:00:00 00:00:01 NaT"),  # type: ignore[arg-type]  #https://github.com/pandas-dev/pandas-stubs/issues/956
+            (pd.to_timedelta(["NaT", "0s", "1s", "NaT"]), "NaT 00:00:00 00:00:01 NaT"),
             (
-                pd.to_timedelta(["1 day 1 hour", "1 day", "0 hours"]),  # type: ignore[arg-type]  #https://github.com/pandas-dev/pandas-stubs/issues/956
+                pd.to_timedelta(["1 day 1 hour", "1 day", "0 hours"]),
                 "1 days 01:00:00 1 days 00:00:00 0 days 00:00:00",
             ),
             ([1, 2, 3], "1 2 3"),