try to fix typing, ignore one

pydata · Jan 9, 2025 · b38cd7e · b38cd7e
1 parent 0b93dbd
commit b38cd7e
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/xarray/coding/times.py b/xarray/coding/times.py
@@ -395,7 +395,7 @@ def _check_higher_resolution(
 ) -> tuple[np.ndarray, PDDatetimeUnitOptions]:
     """Iterate until fitting resolution found."""
     res: list[PDDatetimeUnitOptions] = ["s", "ms", "us", "ns"]
-    new_units = res[res.index(cast(PDDatetimeUnitOptions, time_unit)) :]
+    new_units = res[res.index(time_unit) :]
     for new_time_unit in new_units:
         if not ((np.unique(flat_num_dates % 1) > 0).any() and new_time_unit != "ns"):
             break
@@ -582,7 +582,7 @@ def _numbers_to_timedelta(
     # estimate fitting resolution for floating point values
     # this iterates until all floats are fractionless or time_unit == "ns"
     if flat_num.dtype.kind == "f" and time_unit != "ns":
-        flat_num_dates, new_time_unit = _check_higher_resolution(flat_num, time_unit)
+        flat_num_dates, new_time_unit = _check_higher_resolution(flat_num, time_unit)  # type: ignore[arg-type]
         if time_unit != new_time_unit:
             msg = (
                 f"Can't decode floating point {datatype} to {time_unit!r} without "