Заменить ошибку на предупреждение для backwards compatibility

fast_bitrix24/user_request.py

@@ -104,12 +104,13 @@ class GetAllUserRequest(UserRequestAbstract):
         "Use call(raw=True) instead. Read more: "
         "https://github.com/leshchenko1979/fast_bitrix24/issues/199",
     )
-    @icontract.require(
-        lambda self: self.st_method.endswith(".list"),
-        "get_all() should be used only with methods that end with '.list'. "
-        "Use get_by_ID() or call() instead.",
-    )
     def check_special_limitations(self):
+        if not self.st_method.endswith(".list"):
+            logger.logger.warning(
+                "get_all() should be used only with methods that end with '.list'. "
+                "Use get_by_ID() or call() instead."
+            )
+
         return True
 
     async def run(self):