[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

gpm/visualization/facetgrid.py

@@ -299,7 +299,7 @@ def map_dataarray(
             FacetGrid object
 
         """
-        if kwargs.get("cbar_ax", None) is not None:
+        if kwargs.get("cbar_ax") is not None:
             raise ValueError("cbar_ax not supported by FacetGrid.")
 
         cmap_params, cbar_kwargs = _process_cmap_cbar_kwargs(
@@ -324,8 +324,8 @@ def map_dataarray(
             da_proto = da_proto.isel({self._row_var: 0})
         if self._col_var in list(da_proto.dims):
             da_proto = da_proto.isel({self._col_var: 0})
-        if kwargs.get("rgb", None):
-            da_proto = da_proto.isel({kwargs.get("rgb", None): 0})
+        if kwargs.get("rgb"):
+            da_proto = da_proto.isel({kwargs.get("rgb"): 0})
         x, y = _infer_xy_labels(
             darray=da_proto,
             x=x,

gpm/visualization/grid.py

@@ -269,7 +269,7 @@ def plot_grid_mesh(
     )
 
     # Infer x and y
-    x, y = infer_xy_labels(xr_obj, x=x, y=y, rgb=plot_kwargs.get("rgb", None))
+    x, y = infer_xy_labels(xr_obj, x=x, y=y, rgb=plot_kwargs.get("rgb"))
 
     # Create 2D mesh xarray.DataArray
     da = create_grid_mesh_data_array(xr_obj, x=x, y=y)

gpm/visualization/orbit.py

@@ -167,7 +167,7 @@ def wrapper(*args, **kwargs):
         ax = args[1] if len(args) > 1 else kwargs.get("ax")
 
         # Define dimensions and coordinates
-        x, y = infer_map_xy_coords(da, x=kwargs.get("x", None), y=kwargs.get("y", None))
+        x, y = infer_map_xy_coords(da, x=kwargs.get("x"), y=kwargs.get("y"))
         along_track_dim, cross_track_dim = infer_orbit_xy_dim(da, x=x, y=y)
 
         # Define kwargs