diff --git a/litellm/llms/anthropic.py b/litellm/llms/anthropic.py
index 5b5ed3f831..d9726ec513 100644
--- a/litellm/llms/anthropic.py
+++ b/litellm/llms/anthropic.py
@@ -254,13 +254,13 @@ class AnthropicChatCompletion(BaseLLM):
     def process_response(
         self,
         model: str,
-        response: requests.Response | httpx.Response,
+        response: Union[requests.Response, httpx.Response],
         model_response: ModelResponse,
         stream: bool,
         logging_obj: litellm.utils.Logging,
         optional_params: dict,
         api_key: str,
-        data: dict | str,
+        data: Union[dict, str],
         messages: List,
         print_verbose,
         encoding,