Automated change: Fix sanity tests

src/python/grpcio_tests/tests/interop/server.py

diff --git a/src/python/grpcio_tests/tests/interop/server.py b/src/python/grpcio_tests/tests/interop/server.py
index 4fd0a4b..cc705b0 100644
--- a/src/python/grpcio_tests/tests/interop/server.py
+++ b/src/python/grpcio_tests/tests/interop/server.py
@@ -76,6 +76,4 @@
 
 
 if __name__ == "__main__":
-    app.run(
-        serve, flags_parser=parse_interop_server_arguments
-    )
+    app.run(serve, flags_parser=parse_interop_server_arguments)

tools/run_tests/xds_k8s_test_driver/tests/url_map/affinity_test.py

diff --git a/tools/run_tests/xds_k8s_test_driver/tests/url_map/affinity_test.py b/tools/run_tests/xds_k8s_test_driver/tests/url_map/affinity_test.py
index e5227c2..a3ccfac 100644
--- a/tools/run_tests/xds_k8s_test_driver/tests/url_map/affinity_test.py
+++ b/tools/run_tests/xds_k8s_test_driver/tests/url_map/affinity_test.py
@@ -127,7 +127,7 @@
             1,
         )
 
-	# Any remaining subchannels may be in any state.
+        # Any remaining subchannels may be in any state.
 
         # Send 150 RPCs without headers. RPCs without headers will pick random
         # backends. After this, we expect to see all backends to be connected.