diff --git a/litellm/integrations/custom_logger.py b/litellm/integrations/custom_logger.py
index 17c144cc0b..6f1ec88d01 100644
--- a/litellm/integrations/custom_logger.py
+++ b/litellm/integrations/custom_logger.py
@@ -1,7 +1,16 @@
 #### What this does ####
 #    On success, logs events to Promptlayer
 import traceback
-from typing import TYPE_CHECKING, Any, List, Literal, Optional, Tuple, Union
+from typing import (
+    TYPE_CHECKING,
+    Any,
+    AsyncGenerator,
+    List,
+    Literal,
+    Optional,
+    Tuple,
+    Union,
+)
 
 from pydantic import BaseModel
 
@@ -14,6 +23,7 @@ from litellm.types.utils import (
     EmbeddingResponse,
     ImageResponse,
     ModelResponse,
+    ModelResponseStream,
     StandardCallbackDynamicParams,
     StandardLoggingPayload,
 )
@@ -256,7 +266,7 @@ class CustomLogger:  # https://docs.litellm.ai/docs/observability/custom_callbac
         user_api_key_dict: UserAPIKeyAuth,
         response: Any,
         request_data: dict,
-    ) -> Any:
+    ) -> AsyncGenerator[ModelResponseStream, None]:
         async for item in response:
             yield item
 
diff --git a/litellm/proxy/guardrails/guardrail_hooks/aim.py b/litellm/proxy/guardrails/guardrail_hooks/aim.py
index f062189b53..9b0cd5f3cc 100644
--- a/litellm/proxy/guardrails/guardrail_hooks/aim.py
+++ b/litellm/proxy/guardrails/guardrail_hooks/aim.py
@@ -7,7 +7,7 @@
 import asyncio
 import json
 import os
-from typing import Any, Literal, Optional, Union
+from typing import Any, AsyncGenerator, Literal, Optional, Union
 
 from fastapi import HTTPException
 from pydantic import BaseModel
@@ -36,8 +36,12 @@ class AimGuardrailMissingSecrets(Exception):
 
 
 class AimGuardrail(CustomGuardrail):
-    def __init__(self, api_key: Optional[str] = None, api_base: Optional[str] = None, **kwargs):
-        self.async_handler = get_async_httpx_client(llm_provider=httpxSpecialProvider.GuardrailCallback)
+    def __init__(
+        self, api_key: Optional[str] = None, api_base: Optional[str] = None, **kwargs
+    ):
+        self.async_handler = get_async_httpx_client(
+            llm_provider=httpxSpecialProvider.GuardrailCallback
+        )
         self.api_key = api_key or os.environ.get("AIM_API_KEY")
         if not self.api_key:
             msg = (
@@ -45,8 +49,12 @@ class AimGuardrail(CustomGuardrail):
                 "pass it as a parameter to the guardrail in the config file"
             )
             raise AimGuardrailMissingSecrets(msg)
-        self.api_base = api_base or os.environ.get("AIM_API_BASE") or "https://api.aim.security"
-        self.ws_api_base = self.api_base.replace("http://", "ws://").replace("https://", "wss://")
+        self.api_base = (
+            api_base or os.environ.get("AIM_API_BASE") or "https://api.aim.security"
+        )
+        self.ws_api_base = self.api_base.replace("http://", "ws://").replace(
+            "https://", "wss://"
+        )
         super().__init__(**kwargs)
 
     async def async_pre_call_hook(
@@ -111,11 +119,16 @@ class AimGuardrail(CustomGuardrail):
         if detected:
             raise HTTPException(status_code=400, detail=res["detection_message"])
 
-    async def call_aim_guardrail_on_output(self, request_data: dict, output: str, hook: str) -> None:
-        user_email = request_data.get("metadata", {}).get("headers", {}).get("x-aim-user-email")
-        headers = {"Authorization": f"Bearer {self.api_key}", "x-aim-litellm-hook": hook} | (
-            {"x-aim-user-email": user_email} if user_email else {}
+    async def call_aim_guardrail_on_output(
+        self, request_data: dict, output: str, hook: str
+    ) -> None:
+        user_email = (
+            request_data.get("metadata", {}).get("headers", {}).get("x-aim-user-email")
         )
+        headers = {
+            "Authorization": f"Bearer {self.api_key}",
+            "x-aim-litellm-hook": hook,
+        } | ({"x-aim-user-email": user_email} if user_email else {})
         response = await self.async_handler.post(
             f"{self.api_base}/detect/output",
             headers=headers,
@@ -140,9 +153,15 @@ class AimGuardrail(CustomGuardrail):
         user_api_key_dict: UserAPIKeyAuth,
         response: Union[Any, ModelResponse, EmbeddingResponse, ImageResponse],
     ) -> Any:
-        if isinstance(response, ModelResponse) and response.choices and isinstance(response.choices[0], Choices):
+        if (
+            isinstance(response, ModelResponse)
+            and response.choices
+            and isinstance(response.choices[0], Choices)
+        ):
             content = response.choices[0].message.content or ""
-            detection = await self.call_aim_guardrail_on_output(data, content, hook="output")
+            detection = await self.call_aim_guardrail_on_output(
+                data, content, hook="output"
+            )
             if detection:
                 raise HTTPException(status_code=400, detail=detection)
 
@@ -151,13 +170,19 @@ class AimGuardrail(CustomGuardrail):
         user_api_key_dict: UserAPIKeyAuth,
         response,
         request_data: dict,
-    ) -> Any:
-        user_email = request_data.get("metadata", {}).get("headers", {}).get("x-aim-user-email")
+    ) -> AsyncGenerator[ModelResponseStream, None]:
+        user_email = (
+            request_data.get("metadata", {}).get("headers", {}).get("x-aim-user-email")
+        )
         headers = {
             "Authorization": f"Bearer {self.api_key}",
         } | ({"x-aim-user-email": user_email} if user_email else {})
-        async with connect(f"{self.ws_api_base}/detect/output/ws", additional_headers=headers) as websocket:
-            sender = asyncio.create_task(self.forward_the_stream_to_aim(websocket, response))
+        async with connect(
+            f"{self.ws_api_base}/detect/output/ws", additional_headers=headers
+        ) as websocket:
+            sender = asyncio.create_task(
+                self.forward_the_stream_to_aim(websocket, response)
+            )
             while True:
                 result = json.loads(await websocket.recv())
                 if verified_chunk := result.get("verified_chunk"):
@@ -168,7 +193,9 @@ class AimGuardrail(CustomGuardrail):
                         return
                     if blocking_message := result.get("blocking_message"):
                         raise StreamingCallbackError(blocking_message)
-                    verbose_proxy_logger.error(f"Unknown message received from AIM: {result}")
+                    verbose_proxy_logger.error(
+                        f"Unknown message received from AIM: {result}"
+                    )
                     return
 
     async def forward_the_stream_to_aim(
diff --git a/litellm/realtime_api/main.py b/litellm/realtime_api/main.py
index ac39a68c60..8330de0f55 100644
--- a/litellm/realtime_api/main.py
+++ b/litellm/realtime_api/main.py
@@ -151,6 +151,8 @@ async def _realtime_health_check(
         url = openai_realtime._construct_url(
             api_base=api_base or "https://api.openai.com/", model=model
         )
+    else:
+        raise ValueError(f"Unsupported model: {model}")
     async with websockets.connect(  # type: ignore
         url,
         extra_headers={