style: format code with Autopep8, Black, isort and Yapf

This commit fixes the style issues introduced in 12b16c7 according to the output
from Autopep8, Black, isort and Yapf.

Details: #59

trustauthx/authlite.py

@@ -1037,7 +1037,7 @@ def remove_role(
         rols = []
         if isinstance(rol_ids, str):
             rols.append(rol_ids)
-        elif isinstance(rol_ids,list):
+        elif isinstance(rol_ids, list):
             rols = [i for i in rol_ids]
         else:
             raise TypeError()
@@ -1109,7 +1109,7 @@ def update_role(
         else:
             raise TypeError()
         rols_rem = []
-        if isinstance(rol_ids_to_remove,str):
+        if isinstance(rol_ids_to_remove, str):
             rols_rem.append(rol_ids_to_remove)
         elif isinstance(rol_ids_to_remove, list):
             rols_rem = [i for i in rol_ids_to_remove]