diff --git a/litellm/llms/infinity/common_utils.py b/litellm/llms/infinity/common_utils.py
index e23fe4a0d37..657bbd8bfd3 100644
--- a/litellm/llms/infinity/common_utils.py
+++ b/litellm/llms/infinity/common_utils.py
@@ -4,7 +4,7 @@ from litellm.llms.base_llm.chat.transformation import BaseLLMException
 
 
 class InfinityError(BaseLLMException):
-    def __init__(self, status_code: int, message: str, headers: dict | httpx.Headers = {}):
+    def __init__(self, status_code: int, message: str, headers: dict | httpx.Headers | None = None):
         self.status_code = status_code
         self.message = message
         self.request = httpx.Request(method="POST", url="https://github.com/michaelfeil/infinity")
@@ -15,4 +15,4 @@ class InfinityError(BaseLLMException):
             request=self.request,
             response=self.response,
             headers=headers,
-        )  # Call the base class constructor with the parameters it needs
+        )  # Call the base class constructor with the parameters it needs
\ No newline at end of file