aiohttp_openai/ fixes - allow using aiohttp_openai/gpt-4o (#7598)

* fixes for get_complete_url

* update aiohttp tests

* fix event loop for aiohtto

* ci/cd run again

* test_aiohttp_openai

litellm/llms/aiohttp_openai/chat/transformation.py

@@ -9,7 +9,7 @@ New config to ensure we introduce this without causing breaking changes for user
 
 from typing import TYPE_CHECKING, Any, List, Optional
 
-import httpx
+from aiohttp import ClientResponse
 
 from litellm.llms.openai_like.chat.transformation import OpenAILikeChatConfig
 from litellm.types.llms.openai import AllMessageValues
@@ -24,6 +24,22 @@ else:
 
 
 class AiohttpOpenAIChatConfig(OpenAILikeChatConfig):
+    def get_complete_url(
+        self,
+        api_base: str,
+        model: str,
+        optional_params: dict,
+        stream: Optional[bool] = None,
+    ) -> str:
+        """
+        Ensure - /v1/chat/completions is at the end of the url
+
+        """
+
+        if not api_base.endswith("/chat/completions"):
+            api_base += "/chat/completions"
+        return api_base
+
     def validate_environment(
         self,
         headers: dict,
@@ -33,12 +49,12 @@ class AiohttpOpenAIChatConfig(OpenAILikeChatConfig):
         api_key: Optional[str] = None,
         api_base: Optional[str] = None,
     ) -> dict:
-        return {}
+        return {"Authorization": f"Bearer {api_key}"}
 
-    def transform_response(
+    async def transform_response(  # type: ignore
         self,
         model: str,
-        raw_response: httpx.Response,
+        raw_response: ClientResponse,
         model_response: ModelResponse,
         logging_obj: LiteLLMLoggingObj,
         request_data: dict,
@@ -49,4 +65,5 @@ class AiohttpOpenAIChatConfig(OpenAILikeChatConfig):
         api_key: Optional[str] = None,
         json_mode: Optional[bool] = None,
     ) -> ModelResponse:
-        return ModelResponse(**raw_response.json())
+        _json_response = await raw_response.json()
+        return ModelResponse(**_json_response)