Update main.py

main.py

@@ -22,7 +22,7 @@ def read_image_from_stream(image_data, subscription_key, endpoint):
         read_response_headers = response.headers
         operation_location = read_response_headers["Operation-Location"]
     else:
-        raise Exception(f"Unexpected response status: {response.status_code}")
+        raise Exception(f"Unexpected response status: {response.status_code}, {response.text}")
 
     return operation_location