Removing not needed imports

Author: gregmccoy

Diff for: src/keycloak/keycloak_admin.py

@@ -26,13 +26,10 @@
 
 """The keycloak admin module."""
 
-import copy
 import json
 from builtins import isinstance
 from typing import Iterable
 
-from requests_toolbelt import MultipartEncoder
-
 from . import urls_patterns
 from .connection import ConnectionManager
 from .exceptions import (