Update app.py

app.py

@@ -118,7 +118,7 @@ def generate_audio(prompt):
 # Function to call Clarifai API
 def get_image_concepts(created_image):
     channel = ClarifaiChannel.get_grpc_channel()
-    stub = service_pb2_grpc.V2Stub(pchannel)
+    stub = service_pb2_grpc.V2Stub(channel)
 
     buffer = BytesIO()
     created_image.save(buffer, format='PNG')