Fix DeprecationWarning and FutureWarning found in test suite

tests/fixtures.py

@@ -459,7 +459,7 @@ def generate_multiple_variable_dataset(
         var_names = list(["ts"])
 
         if separate_dims:
-            var_names += list(ds_base.dims.keys())  # type: ignore[arg-type]
+            var_names += list(ds_base.sizes.keys())  # type: ignore[arg-type]
 
         ds_copy = ds_copy.rename({x: f"{x}{idx+1}" for x in var_names})
 

tests/test_regrid.py

@@ -433,7 +433,7 @@ def test_output_bounds_missing_temporal(self):
             decode_times=True, cf_compliant=False, has_bounds=True
         )
 
-        ds = self.coarse_3d_ds.drop("time_bnds")
+        ds = self.coarse_3d_ds.drop_vars("time_bnds")
 
         output_grid = grid.create_gaussian_grid(32)
 
@@ -517,7 +517,7 @@ def test_unknown_variable(self):
         with pytest.raises(KeyError):
             regridder.horizontal("unknown", self.coarse_2d_ds)
 
-    @pytest.mark.filterwarnings("ignore:.*invalid value.*true_divide.*:RuntimeWarning")
+    @pytest.mark.filterwarnings("ignore:.*invalid value.*divide.*:RuntimeWarning")
     def test_regrid_input_mask(self):
         regridder = regrid2.Regrid2Regridder(self.coarse_2d_ds, self.fine_2d_ds)
 
@@ -540,7 +540,7 @@ def test_regrid_input_mask(self):
 
         assert np.all(output_data.ts.values == expected_output)
 
-    @pytest.mark.filterwarnings("ignore:.*invalid value.*true_divide.*:RuntimeWarning")
+    @pytest.mark.filterwarnings("ignore:.*invalid value.*divide.*:RuntimeWarning")
     def test_regrid_input_mask_unmapped_to_nan(self):
         regridder = regrid2.Regrid2Regridder(
             self.coarse_2d_ds, self.fine_2d_ds, unmapped_to_nan=False

xcdat/dataset.py

@@ -249,7 +249,7 @@ def decode_time(dataset: xr.Dataset) -> xr.Dataset:
     """Decodes CF and non-CF time coordinates and time bounds using ``cftime``.
 
     By default, ``xarray`` only supports decoding time with CF compliant units
-    [5]_. This function enables also decoding time with non-CF compliant units.
+    [5]_. This function enables also decoding time with non-CF compliant units.x
     It skips decoding time coordinates that have already been decoded as
     ``"datetime64[ns]"`` or ``cftime.datetime``.
 
@@ -652,7 +652,7 @@ def _get_cftime_coords(offsets: np.ndarray, units: str, calendar: str) -> np.nda
 
     # Convert offsets to `np.float64` to avoid "TypeError: unsupported type
     # for timedelta days component: numpy.int64".
-    flat_offsets = flat_offsets.astype("float")
+    flat_offsets = flat_offsets.astype("float")  # type: ignore
 
     # We don't need to do calendar arithmetic here because the units and
     # offsets are in "months" or "years", which means leap days should not

xcdat/regridder/grid.py

@@ -140,7 +140,7 @@ def _create_gaussian_axis(nlats: int) -> Tuple[xr.DataArray, xr.DataArray]:
         },
     )
 
-    bounds = (180.0 / np.pi) * np.arcsin(bounds)
+    bounds = (180.0 / np.pi) * np.arcsin(bounds)  # type: ignore
 
     bounds_data = np.zeros((points.shape[0], 2))
     bounds_data[:, 0] = bounds[:-1]