Apply darker sugestion

Author: TApplencourt

clang/bindings/python/clang/cindex.py

@@ -4473,7 +4473,7 @@ def get_cindex_library(self) -> CDLL:
                 "LIBCLANG_LIBRARY_PATH or call Config.set_library_path(). "
                 "Alternatively, you can specify the exact library file using "
                 "LIBCLANG_LIBRARY_FILE or Config.set_library_file()."
-             )
+            )
             raise LibclangError(msg)
 
         return library

clang/bindings/python/tests/cindex/test_environment_variable.py

@@ -6,7 +6,6 @@
 
 
 class TestEnvironementVariable(unittest.TestCase):
-
     def test_working_libclang_library_file(self):
         ref_libclang_library_file = Config().get_filename()
         with unittest.mock.patch.dict(