Fix lining breakage in pipeline_instrument_test.py (#35959)

Author: jrmccluskey

sdks/python/apache_beam/runners/interactive/pipeline_instrument_test.py

@@ -36,7 +36,7 @@
 from apache_beam.runners.interactive.testing.pipeline_assertion import assert_pipeline_proto_contain_top_level_transform
 from apache_beam.runners.interactive.testing.pipeline_assertion import assert_pipeline_proto_equal
 from apache_beam.runners.interactive.testing.pipeline_assertion import \
-    assert_pipeline_proto_not_contain_top_level_transform
+  assert_pipeline_proto_not_contain_top_level_transform
 from apache_beam.runners.interactive.testing.test_cache_manager import InMemoryCache
 from apache_beam.testing.test_stream import TestStream