fix comparison

Author: daniel-sanche

tests/system/test_retry_streaming.py

@@ -129,11 +129,13 @@ def test_streaming_transient_retryable_partial_data(sequence):
     Server stream yields some data before failing with a retryable error a number of times before success.
     Wrapped stream should contain data from all attempts
 
-    TODO: implement fix for rest client: https://github.com/googleapis/gapic-showcase/issues/1377
+    TODO:
+    Test is currently skipped for rest clients due to known issue:
+    https://github.com/googleapis/gapic-showcase/issues/1377
     """
     from google.protobuf.duration_pb2 import Duration
 
-    if sequence.transport == type(sequence).get_transport_class("rest"):
+    if type(sequence.transport) == type(sequence).get_transport_class("rest"):
         pytest.skip("Skipping due to known streaming issue in rest client")
 
     retry = retries.StreamingRetry(