Dataproc: note use of python3.6 for blackening.

[yoshi-automation]

This PR was generated using Autosynth. 🌈

Here's the log from Synthtool:

synthtool > Executing /tmpfs/src/git/autosynth/working_repo/dataproc/synth.py. synthtool > Ensuring dependencies. synthtool > Pulling artman image. latest: Pulling from googleapis/artman Digest: sha256:5fd9aee1d82a00cebf425c8fa431f5457539562f5867ad9c54370f0ec9a7ccaa Status: Image is up to date for googleapis/artman:latest synthtool > Cloning googleapis. synthtool > Running generator for google/cloud/dataproc/artman_dataproc_v1beta2.yaml. synthtool > Generated code into /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/dataproc-v1beta2. synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/dataproc/v1beta2/clusters.proto to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/dataproc-v1beta2/google/cloud/dataproc_v1beta2/proto/clusters.proto synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/dataproc/v1beta2/jobs.proto to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/dataproc-v1beta2/google/cloud/dataproc_v1beta2/proto/jobs.proto synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/dataproc/v1beta2/operations.proto to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/dataproc-v1beta2/google/cloud/dataproc_v1beta2/proto/operations.proto synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/dataproc/v1beta2/workflow_templates.proto to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/dataproc-v1beta2/google/cloud/dataproc_v1beta2/proto/workflow_templates.proto synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/dataproc/v1beta2/shared.proto to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/dataproc-v1beta2/google/cloud/dataproc_v1beta2/proto/shared.proto synthtool > Placed proto files into /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/dataproc-v1beta2/google/cloud/dataproc_v1beta2/proto. synthtool > Replaced 'metadata_type=operations_pb2.ClusterOperationMetadata,' in google/cloud/dataproc_v1beta2/gapic/cluster_controller_client.py. synthtool > No replacements made in google/cloud/dataproc_v1beta2/gapic/cluster_controller_client.py for pattern \s+<strong>Note:</strong>.* (.* )+?.*types.FieldMask., maybe replacement is not longer needed? synthtool > Replaced ', and must\n\\s+conform to the following PCRE regular expression:(.*\n)+?.*No more than 32' in google/cloud/dataproc_v1beta2/proto/workflow_templates_pb2.py. synthtool > Replaced ', and must conform to\n\\s+the following regular expression:(.*\n)+?.* No more than' in google/cloud/dataproc_v1beta2/proto/workflow_templates_pb2.py. synthtool > Running generator for google/cloud/dataproc/artman_dataproc_v1.yaml. synthtool > Generated code into /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/dataproc-v1. synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/dataproc/v1/clusters.proto to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/dataproc-v1/google/cloud/dataproc_v1/proto/clusters.proto synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/dataproc/v1/jobs.proto to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/dataproc-v1/google/cloud/dataproc_v1/proto/jobs.proto synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/dataproc/v1/operations.proto to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/dataproc-v1/google/cloud/dataproc_v1/proto/operations.proto synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/dataproc/v1/workflow_templates.proto to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/dataproc-v1/google/cloud/dataproc_v1/proto/workflow_templates.proto synthtool > Placed proto files into /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/dataproc-v1/google/cloud/dataproc_v1/proto. synthtool > Replaced 'metadata_type=operations_pb2.ClusterOperationMetadata,' in google/cloud/dataproc_v1/gapic/cluster_controller_client.py. synthtool > No replacements made in google/cloud/dataproc_v1/gapic/cluster_controller_client.py for pattern \s+<strong>Note:</strong>.* (.* )+?.*types.FieldMask., maybe replacement is not longer needed? synthtool > Replaced ', and must\n\\s+conform to the following PCRE regular expression:(.*\n)+?.*No more than 32' in google/cloud/dataproc_v1/proto/workflow_templates_pb2.py. synthtool > Replaced ', and must conform to\n\\s+the following regular expression:(.*\n)+?.* No more than' in google/cloud/dataproc_v1/proto/workflow_templates_pb2.py. synthtool > Replaced '# Generated by the protocol buffer compiler. DO NOT EDIT!' in google/cloud/dataproc_v1beta2/proto/clusters_pb2.py. .coveragerc .flake8 MANIFEST.in noxfile.py.j2 setup.cfg Running session blacken Creating virtualenv using python3.6 in /tmpfs/src/git/autosynth/working_repo/dataproc/.nox/blacken pip install --upgrade black black google tests docs reformatted /tmpfs/src/git/autosynth/working_repo/dataproc/google/__init__.py reformatted /tmpfs/src/git/autosynth/working_repo/dataproc/google/cloud/__init__.py reformatted /tmpfs/src/git/autosynth/working_repo/dataproc/google/cloud/dataproc.py reformatted /tmpfs/src/git/autosynth/working_repo/dataproc/google/cloud/dataproc_v1/__init__.py reformatted /tmpfs/src/git/autosynth/working_repo/dataproc/google/cloud/dataproc_v1/gapic/cluster_controller_client_config.py reformatted /tmpfs/src/git/autosynth/working_repo/dataproc/docs/conf.py reformatted /tmpfs/src/git/autosynth/working_repo/dataproc/google/cloud/dataproc_v1/gapic/enums.py reformatted /tmpfs/src/git/autosynth/working_repo/dataproc/google/cloud/dataproc_v1/gapic/job_controller_client_config.py reformatted /tmpfs/src/git/autosynth/working_repo/dataproc/google/cloud/dataproc_v1/gapic/transports/cluster_controller_grpc_transport.py reformatted /tmpfs/src/git/autosynth/working_repo/dataproc/google/cloud/dataproc_v1/gapic/transports/job_controller_grpc_transport.py reformatted /tmpfs/src/git/autosynth/working_repo/dataproc/google/cloud/dataproc_v1/gapic/transports/workflow_template_service_grpc_transport.py reformatted /tmpfs/src/git/autosynth/working_repo/dataproc/google/cloud/dataproc_v1/gapic/workflow_template_service_client_config.py reformatted /tmpfs/src/git/autosynth/working_repo/dataproc/google/cloud/dataproc_v1/gapic/cluster_controller_client.py reformatted /tmpfs/src/git/autosynth/working_repo/dataproc/google/cloud/dataproc_v1/gapic/job_controller_client.py reformatted /tmpfs/src/git/autosynth/working_repo/dataproc/google/cloud/dataproc_v1/proto/clusters_pb2_grpc.py reformatted /tmpfs/src/git/autosynth/working_repo/dataproc/google/cloud/dataproc_v1/gapic/workflow_template_service_client.py reformatted /tmpfs/src/git/autosynth/working_repo/dataproc/google/cloud/dataproc_v1/proto/jobs_pb2_grpc.py reformatted /tmpfs/src/git/autosynth/working_repo/dataproc/google/cloud/dataproc_v1/proto/operations_pb2_grpc.py reformatted /tmpfs/src/git/autosynth/working_repo/dataproc/google/cloud/dataproc_v1/proto/operations_pb2.py reformatted /tmpfs/src/git/autosynth/working_repo/dataproc/google/cloud/dataproc_v1/proto/workflow_templates_pb2_grpc.py reformatted /tmpfs/src/git/autosynth/working_repo/dataproc/google/cloud/dataproc_v1/types.py reformatted /tmpfs/src/git/autosynth/working_repo/dataproc/google/cloud/dataproc_v1beta2/__init__.py reformatted /tmpfs/src/git/autosynth/working_repo/dataproc/google/cloud/dataproc_v1beta2/gapic/cluster_controller_client.py reformatted /tmpfs/src/git/autosynth/working_repo/dataproc/google/cloud/dataproc_v1beta2/gapic/cluster_controller_client_config.py reformatted /tmpfs/src/git/autosynth/working_repo/dataproc/google/cloud/dataproc_v1beta2/gapic/enums.py reformatted /tmpfs/src/git/autosynth/working_repo/dataproc/google/cloud/dataproc_v1beta2/gapic/job_controller_client.py reformatted /tmpfs/src/git/autosynth/working_repo/dataproc/google/cloud/dataproc_v1beta2/gapic/job_controller_client_config.py reformatted /tmpfs/src/git/autosynth/working_repo/dataproc/google/cloud/dataproc_v1beta2/gapic/transports/cluster_controller_grpc_transport.py reformatted /tmpfs/src/git/autosynth/working_repo/dataproc/google/cloud/dataproc_v1beta2/gapic/transports/job_controller_grpc_transport.py reformatted /tmpfs/src/git/autosynth/working_repo/dataproc/google/cloud/dataproc_v1beta2/gapic/transports/workflow_template_service_grpc_transport.py reformatted /tmpfs/src/git/autosynth/working_repo/dataproc/google/cloud/dataproc_v1beta2/gapic/workflow_template_service_client.py reformatted /tmpfs/src/git/autosynth/working_repo/dataproc/google/cloud/dataproc_v1beta2/gapic/workflow_template_service_client_config.py reformatted /tmpfs/src/git/autosynth/working_repo/dataproc/google/cloud/dataproc_v1/proto/clusters_pb2.py reformatted /tmpfs/src/git/autosynth/working_repo/dataproc/google/cloud/dataproc_v1beta2/proto/clusters_pb2_grpc.py reformatted /tmpfs/src/git/autosynth/working_repo/dataproc/google/cloud/dataproc_v1/proto/workflow_templates_pb2.py reformatted /tmpfs/src/git/autosynth/working_repo/dataproc/google/cloud/dataproc_v1beta2/proto/jobs_pb2_grpc.py reformatted /tmpfs/src/git/autosynth/working_repo/dataproc/google/cloud/dataproc_v1beta2/proto/operations_pb2.py reformatted /tmpfs/src/git/autosynth/working_repo/dataproc/google/cloud/dataproc_v1beta2/proto/operations_pb2_grpc.py reformatted /tmpfs/src/git/autosynth/working_repo/dataproc/google/cloud/dataproc_v1beta2/proto/shared_pb2.py reformatted /tmpfs/src/git/autosynth/working_repo/dataproc/google/cloud/dataproc_v1beta2/proto/shared_pb2_grpc.py reformatted /tmpfs/src/git/autosynth/working_repo/dataproc/google/cloud/dataproc_v1/proto/jobs_pb2.py reformatted /tmpfs/src/git/autosynth/working_repo/dataproc/google/cloud/dataproc_v1beta2/proto/workflow_templates_pb2_grpc.py reformatted /tmpfs/src/git/autosynth/working_repo/dataproc/google/cloud/dataproc_v1beta2/types.py reformatted /tmpfs/src/git/autosynth/working_repo/dataproc/tests/system/gapic/v1/test_system_cluster_controller_v1.py reformatted /tmpfs/src/git/autosynth/working_repo/dataproc/tests/system/gapic/v1beta2/test_system_cluster_controller_v1beta2.py reformatted /tmpfs/src/git/autosynth/working_repo/dataproc/tests/unit/gapic/v1/test_cluster_controller_client_v1.py reformatted /tmpfs/src/git/autosynth/working_repo/dataproc/tests/unit/gapic/v1/test_job_controller_client_v1.py reformatted /tmpfs/src/git/autosynth/working_repo/dataproc/google/cloud/dataproc_v1beta2/proto/clusters_pb2.py reformatted /tmpfs/src/git/autosynth/working_repo/dataproc/tests/unit/gapic/v1/test_workflow_template_service_client_v1.py reformatted /tmpfs/src/git/autosynth/working_repo/dataproc/tests/unit/gapic/v1beta2/test_job_controller_client_v1beta2.py reformatted /tmpfs/src/git/autosynth/working_repo/dataproc/tests/unit/gapic/v1beta2/test_cluster_controller_client_v1beta2.py reformatted /tmpfs/src/git/autosynth/working_repo/dataproc/tests/unit/gapic/v1beta2/test_workflow_template_service_client_v1beta2.py reformatted /tmpfs/src/git/autosynth/working_repo/dataproc/google/cloud/dataproc_v1beta2/proto/workflow_templates_pb2.py reformatted /tmpfs/src/git/autosynth/working_repo/dataproc/google/cloud/dataproc_v1beta2/proto/jobs_pb2.py All done! ✨ 🍰 ✨ 54 files reformatted, 6 files left unchanged. Session blacken was successful. synthtool > Cleaned up 2 temporary directories. synthtool > Wrote metadata to synth.metadata. 

[tseaver]

Groan. So we have a bot scream coming, but at least it will be easy to approve them all.