fix format

Signed-off-by: christian.lutnik <christian.lutnik@dynatrace.com>

Author: chrfwow

providers/openfeature-provider-flagd/src/openfeature/contrib/provider/flagd/resolvers/process/flags.py

@@ -17,7 +17,9 @@ def _validate_metadata(key: str, value: typing.Union[float, int, str, bool]) ->
     if value is None:
         raise ParseError(f"Metadata value for key {key} must be set")
     elif not isinstance(value, (float, int, str, bool)):
-        raise ParseError(f"Metadata value {value} for key  {key} must be of type float, int, str or bool, but is {type(value)}")
+        raise ParseError(
+            f"Metadata value {value} for key  {key} must be of type float, int, str or bool, but is {type(value)}"
+        )
 
 
 class FlagStore: