return user id on user creation

keycloak/keycloak_admin.py

@@ -306,9 +306,11 @@ class KeycloakAdmin:
         if exists is not None:
             return str(exists)
 
-        data_raw = self.raw_post(URL_ADMIN_USERS.format(**params_path),
-                                 data=json.dumps(payload))
-        return raise_error_from_response(data_raw, KeycloakGetError, expected_code=201)
+        data_raw = self.connection.raw_post(URL_ADMIN_USERS.format(**params_path),
+                                            data=json.dumps(payload))
+        raise_error_from_response(data_raw, KeycloakGetError, expected_code=201)
+        _last_slash_idx = data_raw.headers['Location'].rindex('/')
+        return data_raw.headers['Location'][_last_slash_idx + 1:]
 
     def users_count(self):
         """