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				@@ -119,6 +119,7 @@ class PythonArtifact: 
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				       # need to do this manually... 
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				       environ['CFLAGS'] = '-DGPR_MANYLINUX1=1' 
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				       environ['BUILD_HEALTH_CHECKING'] = 'TRUE' 
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				+      environ['BUILD_MANYLINUX_WHEEL'] = 'TRUE' 
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				       return create_docker_jobspec(self.name, 
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				           'tools/dockerfile/grpc_artifact_python_manylinux_%s' % self.arch, 
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				           'tools/run_tests/build_artifact_python.sh', 
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