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

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

windrose/windrose.py

@@ -378,8 +378,9 @@ def _init_plot(self, direction, var, **kwargs):
 
         if np.isnan(bins).any():
             raise ValueError(
-                "Could not compute the bins due to the presence of NaNs in " 
-                "either the bins provided or the original data.")
+                "Could not compute the bins due to the presence of NaNs in "
+                "either the bins provided or the original data.",
+            )
 
         # Number of sectors
         nsector = kwargs.pop("nsector", None)