[EAGLE-6460]: Add func to return both stub and channel. (#713)

* Add func to return both stub and channel.

* tidy

Author: patricklundquist

clarifai/client/auth/helper.py

@@ -2,6 +2,7 @@
 import urllib.request
 from typing import Any, Dict
 
+import grpc
 from clarifai_grpc.channel.clarifai_channel import ClarifaiChannel
 from clarifai_grpc.grpc.api import resources_pb2, service_pb2_grpc
 
@@ -289,7 +290,11 @@ def metadata(self):
             )
 
     def get_stub(self) -> service_pb2_grpc.V2Stub:
-        """Get the API gRPC stub using the right channel based on the API endpoint base.
+        stub, channel = self.get_stub_and_channel()
+        return stub
+
+    def get_stub_and_channel(self) -> tuple[service_pb2_grpc.V2Stub, grpc.Channel]:
+        """Get the API gRPC stub and channel based on the API endpoint base.
 
         Returns:
           stub: The service_pb2_grpc.V2Stub stub for the API.
@@ -310,7 +315,7 @@ def get_stub(self) -> service_pb2_grpc.V2Stub:
                 port = 80
             channel = ClarifaiChannel.get_insecure_grpc_channel(base=host, port=port)
         stub = service_pb2_grpc.V2Stub(channel)
-        return stub
+        return stub, channel
 
     def get_async_stub(self) -> service_pb2_grpc.V2Stub:
         """Get the API gRPC async stub using the right channel based on the API endpoint base.