Fix issue #2832: Add protected_namespaces to Config class within utils.py, router.py and completion.py to avoid the warning message.

litellm/types/completion.py

@@ -32,5 +32,5 @@ class CompletionRequest(BaseModel):
     model_list: Optional[List[str]] = None
 
     class Config:
-        # allow kwargs
         extra = "allow"
+        protected_namespaces = ()      

litellm/types/router.py

@@ -41,6 +41,8 @@ class RouterConfig(BaseModel):
         "latency-based-routing",
     ] = "simple-shuffle"
 
+    class Config:
+        protected_namespaces = ()      
 
 class ModelInfo(BaseModel):
     id: Optional[
@@ -141,6 +143,7 @@ class Deployment(BaseModel):
 
     class Config:
         extra = "allow"
+        protected_namespaces = ()      
         
     def __contains__(self, key):
         # Define custom behavior for the 'in' operator

litellm/utils.py

@@ -236,6 +236,7 @@ class HiddenParams(OpenAIObject):
 
     class Config:
         extra = "allow"
+        protected_namespaces = ()      
 
     def get(self, key, default=None):
         # Custom .get() method to access attributes with a default value if the attribute doesn't exist