diff --git a/litellm/main.py b/litellm/main.py
index 8863397bf0..49416fdecb 100644
--- a/litellm/main.py
+++ b/litellm/main.py
@@ -83,11 +83,11 @@ class LiteLLM:
 
   def __init__(self, *, 
                api_key=None, 
-               organization: str | None = None,
-               base_url: str | None = None,
-               timeout: Union[float, None] = 600,
-               max_retries: int | None = litellm.num_retries,
-               default_headers: Mapping[str, str] | None = None,):
+               organization: Optional[str] = None,
+               base_url: Optional[str]= None,
+               timeout: Optional[float] = 600,
+               max_retries: Optional[int] = litellm.num_retries,
+               default_headers: Optional[Mapping[str, str]] = None,):
     self.params = locals()
     self.chat = Chat(self.params)