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

pre-commit-ci[bot] · pre-commit-ci[bot] · commit dc22246221a3 · 2023-03-09T17:59:37.000Z
for more information, see https://pre-commit.ci
diff --git a/pydra/engine/specs.py b/pydra/engine/specs.py
@@ -179,8 +179,8 @@ def check_fields_input_spec(self):
                 message = f"{field.name} is mandatory and unset."
                 if alternative_fields:
                     raise AttributeError(
-                        message[:-1] +
-                        f", but no alternative provided by {list(alternative_fields)}."
+                        message[:-1]
+                        + f", but no alternative provided by {list(alternative_fields)}."
                     )
                 else:
                     raise AttributeError(message)
