fix: Remove missing type parameter

Author: KotlinIsland

coverage/types.py

@@ -29,7 +29,7 @@ class Protocol:             # pylint: disable=missing-class-docstring
 ## File paths
 
 # For arguments that are file paths:
-FilePath = Union[str, os.PathLike]
+FilePath = Union[str, os.PathLike[str]]
 # For testing FilePath arguments
 FilePathClasses = [str, pathlib.Path]
 FilePathType = Union[Type[str], Type[pathlib.Path]]