fix(infinity): avoid shared default error headers

litellm/llms/infinity/common_utils.py

@@ -4,10 +4,17 @@ 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")
+        self.request = httpx.Request(
+            method="POST", url="https://github.com/michaelfeil/infinity"
+        )
         self.response = httpx.Response(status_code=status_code, request=self.request)
         super().__init__(
             status_code=status_code,

tests/test_litellm/llms/infinity/test_common_utils.py

@@ -0,0 +1,9 @@
+from litellm.llms.infinity.common_utils import InfinityError
+
+
+def test_infinity_error_default_headers_are_not_shared() -> None:
+    first_error = InfinityError(status_code=500, message="first")
+    second_error = InfinityError(status_code=500, message="second")
+
+    assert first_error.headers is None
+    assert second_error.headers is None