chore(tasks): tweak docstrings (via synth)

[yoshi-automation]

This PR was generated using Autosynth. 🌈

Here's the log from Synthtool:

synthtool > Executing /tmpfs/src/git/autosynth/working_repo/tasks/synth.py.
synthtool > Ensuring dependencies.
synthtool > Pulling artman image.
latest: Pulling from googleapis/artman
Digest: sha256:0d2f8d429110aeb8d82df6550ef4ede59d40df9062d260a1580fce688b0512bf
Status: Image is up to date for googleapis/artman:latest
synthtool > Cloning googleapis.
synthtool > Running generator for google/cloud/tasks/artman_cloudtasks_v2beta2.yaml.
synthtool > Generated code into /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/tasks-v2beta2.
synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/tasks/v2beta2/cloudtasks.proto to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/tasks-v2beta2/google/cloud/tasks_v2beta2/proto/cloudtasks.proto
synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/tasks/v2beta2/queue.proto to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/tasks-v2beta2/google/cloud/tasks_v2beta2/proto/queue.proto
synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/tasks/v2beta2/target.proto to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/tasks-v2beta2/google/cloud/tasks_v2beta2/proto/target.proto
synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/tasks/v2beta2/task.proto to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/tasks-v2beta2/google/cloud/tasks_v2beta2/proto/task.proto
synthtool > Placed proto files into /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/tasks-v2beta2/google/cloud/tasks_v2beta2/proto.
synthtool > Replaced '(Google IAM .*?_) ' in google/cloud/tasks_v2beta2/gapic/cloud_tasks_client.py.
synthtool > Replaced '>`__' in google/cloud/tasks_v2beta2/proto/cloudtasks_pb2.py.
synthtool > Replaced '>`__' in google/cloud/tasks_v2beta2/proto/target_pb2.py.
synthtool > Replaced '>`__' in google/cloud/tasks_v2beta2/proto/queue_pb2.py.
synthtool > Replaced '>`__' in google/cloud/tasks_v2beta2/proto/task_pb2.py.
synthtool > Running generator for google/cloud/tasks/artman_cloudtasks_v2beta3.yaml.
synthtool > Generated code into /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/tasks-v2beta3.
synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/tasks/v2beta3/cloudtasks.proto to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/tasks-v2beta3/google/cloud/tasks_v2beta3/proto/cloudtasks.proto
synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/tasks/v2beta3/queue.proto to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/tasks-v2beta3/google/cloud/tasks_v2beta3/proto/queue.proto
synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/tasks/v2beta3/target.proto to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/tasks-v2beta3/google/cloud/tasks_v2beta3/proto/target.proto
synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/tasks/v2beta3/task.proto to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/tasks-v2beta3/google/cloud/tasks_v2beta3/proto/task.proto
synthtool > Placed proto files into /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/tasks-v2beta3/google/cloud/tasks_v2beta3/proto.
synthtool > Replaced '(Google IAM .*?_) ' in google/cloud/tasks_v2beta3/gapic/cloud_tasks_client.py.
synthtool > Replaced '>`__' in google/cloud/tasks_v2beta3/proto/cloudtasks_pb2.py.
synthtool > Replaced '>`__' in google/cloud/tasks_v2beta3/proto/target_pb2.py.
synthtool > Replaced '>`__' in google/cloud/tasks_v2beta3/proto/queue_pb2.py.
synthtool > Replaced '>`__' in google/cloud/tasks_v2beta3/proto/task_pb2.py.
synthtool > Running generator for google/cloud/tasks/artman_cloudtasks_v2.yaml.
synthtool > Generated code into /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/tasks-v2.
synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/tasks/v2/cloudtasks.proto to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/tasks-v2/google/cloud/tasks_v2/proto/cloudtasks.proto
synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/tasks/v2/queue.proto to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/tasks-v2/google/cloud/tasks_v2/proto/queue.proto
synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/tasks/v2/target.proto to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/tasks-v2/google/cloud/tasks_v2/proto/target.proto
synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/tasks/v2/task.proto to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/tasks-v2/google/cloud/tasks_v2/proto/task.proto
synthtool > Placed proto files into /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/tasks-v2/google/cloud/tasks_v2/proto.
synthtool > Replaced '(Google IAM .*?_) ' in google/cloud/tasks_v2/gapic/cloud_tasks_client.py.
synthtool > Replaced '>`__' in google/cloud/tasks_v2/proto/cloudtasks_pb2.py.
synthtool > Replaced '>`__' in google/cloud/tasks_v2/proto/target_pb2.py.
synthtool > Replaced '>`__' in google/cloud/tasks_v2/proto/queue_pb2.py.
synthtool > Replaced '>`__' in google/cloud/tasks_v2/proto/task_pb2.py.
synthtool > Replaced '(in queue.yaml/xml) <\n\\s+' in google/cloud/tasks_v2beta2/proto/queue_pb2.py.
synthtool > Replaced '#retry_parameters>\n          `__\\.' in google/cloud/tasks_v2/proto/queue_pb2.py.
synthtool > Replaced '>>> # TODO: Initialize `queue`:' in google/cloud/tasks_v2beta3/gapic/cloud_tasks_client.py.
synthtool > Replaced '^(\\s+)>>> queue = {}\n' in google/cloud/tasks_v2beta3/gapic/cloud_tasks_client.py.
synthtool > Replaced 'types\\.View' in google/cloud/tasks_v2/gapic/cloud_tasks_client.py.
synthtool > Replaced 'types\\.View' in google/cloud/tasks_v2beta2/gapic/cloud_tasks_client.py.
synthtool > Replaced 'types\\.View' in google/cloud/tasks_v2beta3/gapic/cloud_tasks_client.py.
synthtool > Replaced '            retry \\(Optional\\[google\\.api_core\\.retry\\.Retry\\]\\):  A retry object used\n                to retry requests\\. If ``None`` is specified, requests will\n                be retried using a default configuration\\.\n            timeout \\(Optional\\[float\\]\\): The amount of time, in seconds, to wait\n                for the request to complete\\. Note that if ``retry`` is\n                specified, the timeout applies to each individual attempt\\.\n            metadata \\(Optional\\[Sequence\\[Tuple\\[str, str\\]\\]\\]\\): Additional metadata\n                that is provided to the method\\.\n\n' in google/cloud/tasks_v2/gapic/cloud_tasks_client.py.
synthtool > Replaced '            retry \\(Optional\\[google\\.api_core\\.retry\\.Retry\\]\\):  A retry object used\n                to retry requests\\. If ``None`` is specified, requests will\n                be retried using a default configuration\\.\n            timeout \\(Optional\\[float\\]\\): The amount of time, in seconds, to wait\n                for the request to complete\\. Note that if ``retry`` is\n                specified, the timeout applies to each individual attempt\\.\n            metadata \\(Optional\\[Sequence\\[Tuple\\[str, str\\]\\]\\]\\): Additional metadata\n                that is provided to the method\\.\n\n' in google/cloud/tasks_v2beta2/gapic/cloud_tasks_client.py.
synthtool > Replaced '            retry \\(Optional\\[google\\.api_core\\.retry\\.Retry\\]\\):  A retry object used\n                to retry requests\\. If ``None`` is specified, requests will\n                be retried using a default configuration\\.\n            timeout \\(Optional\\[float\\]\\): The amount of time, in seconds, to wait\n                for the request to complete\\. Note that if ``retry`` is\n                specified, the timeout applies to each individual attempt\\.\n            metadata \\(Optional\\[Sequence\\[Tuple\\[str, str\\]\\]\\]\\): Additional metadata\n                that is provided to the method\\.\n\n' in google/cloud/tasks_v2beta3/gapic/cloud_tasks_client.py.
.coveragerc
.flake8
MANIFEST.in
noxfile.py.j2
setup.cfg
Running session blacken
Creating virtual environment (virtualenv) using python3.6 in .nox/blacken
pip install black==19.3b0
black docs google tests noxfile.py setup.py
reformatted /tmpfs/src/git/autosynth/working_repo/tasks/google/cloud/__init__.py
reformatted /tmpfs/src/git/autosynth/working_repo/tasks/google/__init__.py
reformatted /tmpfs/src/git/autosynth/working_repo/tasks/google/cloud/tasks.py
reformatted /tmpfs/src/git/autosynth/working_repo/tasks/google/cloud/tasks_v2/__init__.py
reformatted /tmpfs/src/git/autosynth/working_repo/tasks/google/cloud/tasks_v2/gapic/enums.py
reformatted /tmpfs/src/git/autosynth/working_repo/tasks/docs/conf.py
reformatted /tmpfs/src/git/autosynth/working_repo/tasks/google/cloud/tasks_v2/gapic/cloud_tasks_client_config.py
reformatted /tmpfs/src/git/autosynth/working_repo/tasks/google/cloud/tasks_v2/gapic/transports/cloud_tasks_grpc_transport.py
reformatted /tmpfs/src/git/autosynth/working_repo/tasks/google/cloud/tasks_v2/proto/cloudtasks_pb2_grpc.py
reformatted /tmpfs/src/git/autosynth/working_repo/tasks/google/cloud/tasks_v2/proto/queue_pb2_grpc.py
reformatted /tmpfs/src/git/autosynth/working_repo/tasks/google/cloud/tasks_v2/proto/queue_pb2.py
reformatted /tmpfs/src/git/autosynth/working_repo/tasks/google/cloud/tasks_v2/proto/target_pb2_grpc.py
reformatted /tmpfs/src/git/autosynth/working_repo/tasks/google/cloud/tasks_v2/gapic/cloud_tasks_client.py
reformatted /tmpfs/src/git/autosynth/working_repo/tasks/google/cloud/tasks_v2/proto/task_pb2_grpc.py
reformatted /tmpfs/src/git/autosynth/working_repo/tasks/google/cloud/tasks_v2/types.py
reformatted /tmpfs/src/git/autosynth/working_repo/tasks/google/cloud/tasks_v2/proto/target_pb2.py
reformatted /tmpfs/src/git/autosynth/working_repo/tasks/google/cloud/tasks_v2beta2/__init__.py
reformatted /tmpfs/src/git/autosynth/working_repo/tasks/google/cloud/tasks_v2beta2/gapic/cloud_tasks_client_config.py
reformatted /tmpfs/src/git/autosynth/working_repo/tasks/google/cloud/tasks_v2beta2/gapic/enums.py
reformatted /tmpfs/src/git/autosynth/working_repo/tasks/google/cloud/tasks_v2/proto/task_pb2.py
reformatted /tmpfs/src/git/autosynth/working_repo/tasks/google/cloud/tasks_v2beta2/gapic/transports/cloud_tasks_grpc_transport.py
reformatted /tmpfs/src/git/autosynth/working_repo/tasks/google/cloud/tasks_v2/proto/cloudtasks_pb2.py
reformatted /tmpfs/src/git/autosynth/working_repo/tasks/google/cloud/tasks_v2beta2/proto/cloudtasks_pb2_grpc.py
reformatted /tmpfs/src/git/autosynth/working_repo/tasks/google/cloud/tasks_v2beta2/proto/queue_pb2_grpc.py
reformatted /tmpfs/src/git/autosynth/working_repo/tasks/google/cloud/tasks_v2beta2/gapic/cloud_tasks_client.py
reformatted /tmpfs/src/git/autosynth/working_repo/tasks/google/cloud/tasks_v2beta2/proto/target_pb2_grpc.py
reformatted /tmpfs/src/git/autosynth/working_repo/tasks/google/cloud/tasks_v2beta2/proto/queue_pb2.py
reformatted /tmpfs/src/git/autosynth/working_repo/tasks/google/cloud/tasks_v2beta2/proto/task_pb2_grpc.py
reformatted /tmpfs/src/git/autosynth/working_repo/tasks/google/cloud/tasks_v2beta2/types.py
reformatted /tmpfs/src/git/autosynth/working_repo/tasks/google/cloud/tasks_v2beta3/__init__.py
reformatted /tmpfs/src/git/autosynth/working_repo/tasks/google/cloud/tasks_v2beta2/proto/target_pb2.py
reformatted /tmpfs/src/git/autosynth/working_repo/tasks/google/cloud/tasks_v2beta3/gapic/cloud_tasks_client_config.py
reformatted /tmpfs/src/git/autosynth/working_repo/tasks/google/cloud/tasks_v2beta3/gapic/enums.py
reformatted /tmpfs/src/git/autosynth/working_repo/tasks/google/cloud/tasks_v2beta3/gapic/transports/cloud_tasks_grpc_transport.py
reformatted /tmpfs/src/git/autosynth/working_repo/tasks/google/cloud/tasks_v2beta2/proto/task_pb2.py
reformatted /tmpfs/src/git/autosynth/working_repo/tasks/google/cloud/tasks_v2beta3/proto/cloudtasks_pb2_grpc.py
reformatted /tmpfs/src/git/autosynth/working_repo/tasks/google/cloud/tasks_v2beta3/gapic/cloud_tasks_client.py
reformatted /tmpfs/src/git/autosynth/working_repo/tasks/google/cloud/tasks_v2beta3/proto/queue_pb2_grpc.py
reformatted /tmpfs/src/git/autosynth/working_repo/tasks/google/cloud/tasks_v2beta2/proto/cloudtasks_pb2.py
reformatted /tmpfs/src/git/autosynth/working_repo/tasks/google/cloud/tasks_v2beta3/proto/target_pb2_grpc.py
reformatted /tmpfs/src/git/autosynth/working_repo/tasks/google/cloud/tasks_v2beta3/proto/queue_pb2.py
reformatted /tmpfs/src/git/autosynth/working_repo/tasks/google/cloud/tasks_v2beta3/proto/task_pb2_grpc.py
reformatted /tmpfs/src/git/autosynth/working_repo/tasks/google/cloud/tasks_v2beta3/types.py
reformatted /tmpfs/src/git/autosynth/working_repo/tasks/noxfile.py
reformatted /tmpfs/src/git/autosynth/working_repo/tasks/google/cloud/tasks_v2beta3/proto/task_pb2.py
reformatted /tmpfs/src/git/autosynth/working_repo/tasks/google/cloud/tasks_v2beta3/proto/cloudtasks_pb2.py
reformatted /tmpfs/src/git/autosynth/working_repo/tasks/google/cloud/tasks_v2beta3/proto/target_pb2.py
reformatted /tmpfs/src/git/autosynth/working_repo/tasks/tests/unit/gapic/v2beta3/test_cloud_tasks_client_v2beta3.py
reformatted /tmpfs/src/git/autosynth/working_repo/tasks/tests/unit/gapic/v2/test_cloud_tasks_client_v2.py
reformatted /tmpfs/src/git/autosynth/working_repo/tasks/tests/unit/gapic/v2beta2/test_cloud_tasks_client_v2beta2.py
All done! ✨ 🍰 ✨
50 files reformatted, 11 files left unchanged.
Session blacken was successful.
synthtool > Cleaned up 2 temporary directories.
synthtool > Wrote metadata to synth.metadata.