Specify localId parameter to DeleteAccount as a string, not a JSON array (#125)

Author: cslink

firebase_admin/_user_mgt.py

@@ -320,7 +320,7 @@ def delete_user(self, uid):
         """Deletes the user identified by the specified user ID."""
         _Validator.validate_uid(uid)
         try:
-            response = self._request('post', 'deleteAccount', json={'localId' : [uid]})
+            response = self._request('post', 'deleteAccount', json={'localId' : uid})
         except requests.exceptions.RequestException as error:
             self._handle_http_error(
                 USER_DELETE_ERROR, 'Failed to delete user: {0}.'.format(uid), error)