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

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

Author: pre-commit-ci[bot]

pandas/core/reshape/encoding.py

@@ -538,8 +538,11 @@ def from_dummies(
                 raise ValueError(len_msg)
         elif isinstance(default_category, Hashable):
             default_category = dict(
-                zip(variables_slice, [default_category] * len(variables_slice),
-                    strict=True)
+                zip(
+                    variables_slice,
+                    [default_category] * len(variables_slice),
+                    strict=True,
+                )
             )
         else:
             raise TypeError(