clarify descriptions for timeout & interval, remove debug warning

libs/ai-endpoints/langchain_nvidia_ai_endpoints/_common.py

@@ -74,8 +74,16 @@ class Config:
     api_key: Optional[SecretStr] = Field(description="API Key for service of choice")
 
     ## Generation arguments
-    timeout: float = Field(60, ge=0, description="Timeout for waiting on response (s)")
-    interval: float = Field(0.02, ge=0, description="Interval for pulling response")
+    timeout: float = Field(
+        60,
+        ge=0,
+        description="The minimum amount of time (in sec) to poll after a 202 response",
+    )
+    interval: float = Field(
+        0.02,
+        ge=0,
+        description="Interval (in sec) between polling attempts after a 202 response",
+    )
     last_inputs: Optional[dict] = Field(
         description="Last inputs sent over to the server"
     )
@@ -383,7 +391,6 @@ def _wait(self, response: Response, session: requests.Session) -> Response:
                 "NVCF-REQID" in response.headers
             ), "Received 202 response with no request id to follow"
             request_id = response.headers.get("NVCF-REQID")
-            warnings.warn(f"Polling for response: {request_id}")  # todo: remove
             payload = {
                 "url": self.polling_url_tmpl.format(request_id=request_id),
                 "headers": self.headers_tmpl["call"],