docs(language): change docstring formatting; bump copyright year to 2020 (via synth)

[yoshi-automation]

This PR was generated using Autosynth. 🌈

Commits in this repo since last synth:
01b7fb9 docs(bigquery): typo fix (#10209)
9ad21f4 feat(core): change default api_request() timeout to non-None (#10219)
8a0e129 fix(automl): fix TablesClient.predict for array and struct (#9991)
7e36fda deprecate(bigquery): deprecate client.dataset() in favor of DatasetReference (#7753)
73eac04 chore(recommender): release 0.2.0 (#10204)
c411e14 feat(recommender): add v1, set release level to beta (#10170)
8e7b7f8 feat(api_core): add retry param into PollingFuture() and it's inheritors (#9923)
0280a94 feat(bigquery): check rows argument type in insert_rows() (#10174)
3c4335d feat(bigquerydatatransfer): add service_account_name option to transfer configs (#10013)
a51da49 test(datacatalog): run unit tests with Python 3.8 (#10014)
c61c238 fix: be permssive about merging an empty struct (#10079)
bda44b3 chore(pubsub): add Python 3.8 unit tests run (via synth)
ae54dc3 feat(bigquery): check json_rows arg type in insert_rows_json() (#10162)
ae7ef87 chore(pubsub): declaratively drop Python 3.4 support (#10168)
d262e9e chores(storage): release 1.25.0 (#10165)
cae942b chore(storage): bump core dependency to 1.2.0 (#10160)
d44e9bf docs(pubsub): tiny spelling mistake fix (#10163)
4886d77 docs(language): fixes typo in Natural Language samples (#10134)
b492bdc fix(bigquerystorage): resume reader connection on EOS internal error (#9994)
7a64502 fix: replace unsafe six.PY3 with PY2 for better future compatibility with Python 4 (#10081)
c71d5f8 refactor(bigquery): to_dataframe uses faster to_arrow + to_pandas when pyarrow is available (#10027)
121394c fix(bigquerystorage): to_dataframe on an arrow stream uses 2x faster to_arrow + to_pandas, internally (#9997)
c05ffe7 chore(core): release core 1.2.0 (#10135)
4b7444a chores(core): bump api-core dependency to 1.16.0 (#10111)
54eac56 docs(spanner): fix Instance.update() docstrings (#10106)
9de4ca1 chore(api_core): release 1.16.0 (#10109)
a0a062d feat(bigtable): support requested_policy_version for Instance IAM (#10001)
9b856cf feat(storage): support optionsRequestedPolicyVersion (#9989)
d897d56 fix(bigquery): write pandas datetime[ns] columns to BigQuery TIMESTAMP columns (#10028)
70fe9b4 fix(logging): update test assertion and core version pins (#10087)
240f381 feat(bigquery): add RowIterator.to_dataframe_iterable method to get pandas DataFrame per page (#10017)
3bb565b fix(storage): fix document of delete blob (#10015)
5ad6287 fix(translate): update test assertion and core version pins (#10098)
561dced fix(dns): update test assertion and core version pins (#10096)
755eb36 fix(resourcemanager): update test assertion and core version pin (#10095)
b144fbf fix(runtimeconfig): update test assertion and core version pins (#10097)
c25d741 feat(api_core): support version 3 policy bindings (#9869)
fafead7 chore(recommender): correct config path in synth file for recommender (#10076)
20cf3b2 chore(cloudbuild): fix broken synth file (#10077)
0384238 fix(bigquery): fix minimum version of dependency (#10016)
be8e6d4 doc(automl): add example for creating a TablesClient for EU in docstring (#9825)
b387134 fix(trace)!: remove span_path resource helper method from v2; modify retry configs; standardize usage of 'optional' and 'required' for args in docstrings; add 2.7 deprecation warning (via synth) (#10075)
16fec16 fix(iot): modify retry and timeout configs; add 2.7 deprecation warning; add 'required' to docstring for required args; add 3.8 unit tests (via synth) (#10069)
efd2e53 chore(bigquery): use 3.6 for blacken session (#10012)
21e4ff3 feat(phishingprotection): undeprecate resource name helper methods, add 2.7 deprecation warning (via synth) (#10048)
e04d1db feat(redis): undeprecate resource name helper methods, add 2.7 deprecation warning (via synth) (#10049)
d2c32d8 fix(speech): increase default timeout for v1p1beta1 (via synth) (#9999)
fe83407 feat(talent): undeprecate resource name helpers, add 2.7 sunset warning (via synth) (#10050)
0d48116 docs(texttospeech): add 2.7 deprecation warning (via synth) (#10051)
b10c2e2 feat(vision): undeprecate resource name helpers, add 2.7 sunset warning (via synth) (#10052)
42a152c feat(websecurityscanner): undeprecate resource name helpers, add 2.7 sunset warning (via synth) (#10054)
838a65b feat(kms): undeprecate resource name helper methods, add 2.7 deprecation warning (via synth) (#10045)
44849f6 feat(irm): undeprecate resource name helper methods, add 2.7 deprecation warning (via synth) (#10044)
feefced feat(iam): undeprecate resource name helper methods, add 2.7 deprecation warning (via synth) (#10043)
fa33be7 docs(grafeas): add 2.7 deprecation warning (via synth) (#10042)
55944f6 docs(documentai): add 2.7 deprecation warning (via synth) (#10041)
b663b61 feat(dlp): undeprecate resource name helper methods, add 2.7 deprecation warning (via synth) (#10040)
3d00a9c feat(datalabeling): undeprecate resource name helper methods (via synth) (#10039)
3093f3c feat(billingbudgets): undeprecate resource name helper methods, add 2.7 deprecation warning (via synth) (#10038)
b35a983 feat(automl): undeprecate resource name helper methods, add 2.7 deprecation warning (via synth) (#10037)
9df3d9c feat(asset): undeprecate resource name helper methods, add 2.7 deprecation warning (via synth) (#10036)
f9004e4 chore(datacatalog): update README to reflect Beta launch status (#10055)
38e7711 feat(spanner): add deprecation warnings; add field_mask to get_instance; add endpoint_uris to Instance proto; update timeouts; make mutations optional for commits (via synth)
de73e45 feat(bigquery): add retry parameter to public methods where missing (#10026)
e41ed8a doc(bigquery): uncomment Client constructor and imports in samples (#10058)
d81158c chore(bigtable): release 1.2.1 (#10057)
1dcb95f fix(bigtable): add ability to use single-row transactions (#10021)
c6d953b chore(storage): release 1.24.1 (#10034)
ac544b1 feat(storage): add 'ARCHIVE' storage class (#9533)
92d7b46 chore(storage): release 1.24.0 (#10032)
c71b490 chore(firestore): release 1.6.1 (#10031)
13a870c fix: recover watch stream on more error types (#9995)
154c8ec cleanup(bigquery): remove unused query code sample (#10024)
26dd729 feat(bigquery): add timeout parameter to client's and job's public methods (#10002)
ae22885 feat: add timeout parameter to Batch interface to match google-cloud-core (#10010)
4f7d4b1 refactor(bigquery): update code samples to use strings for table and dataset IDs (#9974)
fe9deb1 fix(datacatalog): deprecate resource name helper methods (via synth) (#9831)
37f0677 fix(bigquery_datatransfer): deprecate resource name helper methods (via synth) (#9829)
4d70df3 docs(iam): mark required params as required in docstring (via synth) (#10006)
13bd849 feat(bigquery): add timeout parameter to QueryJob.done() method (#9875)
2dabc2d feat(datacatalog): add sample for create a fileset entry quickstart (#9977)
8bb4068 fix(automl): fix TypeError when passing a client_info to automl TablesClient (#9949)
217bd2b feat(bigquery): add create_bqstorage_client param to to_dataframe and to_arrow (#9573)
5447d1c chore(api_core): release 1.15.0 (#9984)
d372f66 fix(pubsub): handle None in on response callback (#9982)
9031316 chore(bigquery): release 1.23.1 (#9981)
4dfafe9 fix(bigquery): add six dependency in setup file (#9979)
52b54aa chore(billingbudgets): release 0.2.0 (#9969)
1e19f9b feat(bigquery): add iamMember entity type to allowed access classes (#9973)
68c2cc8 docs(bigquery): add sample to read from query destination table (#9964)
8f67bf8 chore(asset): release 0.6.0 (#9968)
fdd7246 feat(asset): add real time feed support to v1 (via synth) (#9930)
7dff593 docs(monitoring): tweak formatting in proto comments (via synth) (#9966)
eb3713d fix(bigquery): fix typo in import error message (pandas -> pyarrow) (#9955)
72c1275 chore(bigquery): release 1.23.0 (#9961)
d2518ae docs(talent): update docstring for DiversificationLevel (#9958)
a4e19ed chore(dlp): release 0.13.0 (#9927)
8177673 feat(api_core): make the last retry happen at deadline (#9873)
4d90932 chore(pubsub): release 1.1.0 (#9950)
19d1b4e test(websecurityscanner): add 3.8 unit tests (via synth) (#9945)
ec70946 test(vision): add 3.8 unit tests (via synth) (#9944)
0eb0970 test(talent): add 3.8 unit tests (via synth) (#9941)
7780883 test(texttospeech): add 3.8 unit tests (via synth) (#9942)

Log from Synthtool

synthtool > Executing /tmpfs/src/git/autosynth/working_repo/language/synth.py.
synthtool > Ensuring dependencies.
synthtool > Pulling artman image.
latest: Pulling from googleapis/artman
Digest: sha256:19e945954fc960a4bdfee6cb34695898ab21a8cf0bac063ee39b91f00a1faec8
Status: Image is up to date for googleapis/artman:latest
synthtool > Cloning googleapis.
synthtool > Running generator for google/cloud/language/artman_language_v1beta2.yaml.
synthtool > Generated code into /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/language-v1beta2.
synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/language/v1beta2/language_service.proto to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/language-v1beta2/google/cloud/language_v1beta2/proto/language_service.proto
synthtool > Placed proto files into /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/language-v1beta2/google/cloud/language_v1beta2/proto.
synthtool > No files in sources /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/language-v1beta2/samples were copied. Does the source contain files?
synthtool > Running generator for google/cloud/language/artman_language_v1.yaml.
synthtool > Generated code into /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/language-v1.
synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/language/v1/language_service.proto to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/language-v1/google/cloud/language_v1/proto/language_service.proto
synthtool > Placed proto files into /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/language-v1/google/cloud/language_v1/proto.
synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/language/v1/samples/test/analyzing_sentiment.test.yaml to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/language-v1/samples/v1/test/analyzing_sentiment.test.yaml
synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/language/v1/samples/test/analyzing_entity_sentiment.test.yaml to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/language-v1/samples/v1/test/analyzing_entity_sentiment.test.yaml
synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/language/v1/samples/test/analyzing_syntax.test.yaml to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/language-v1/samples/v1/test/analyzing_syntax.test.yaml
synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/language/v1/samples/test/analyzing_entities.test.yaml to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/language-v1/samples/v1/test/analyzing_entities.test.yaml
synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/language/v1/samples/test/classifying_content.test.yaml to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/language-v1/samples/v1/test/classifying_content.test.yaml
synthtool > Writing samples manifest ['gen-manifest', '--env=python', '--bin=python3', '--output=v1/test/samples.manifest.yaml', '--chdir={@manifest_dir}/../..', 'v1/language_entity_sentiment_gcs.py', 'v1/language_classify_gcs.py', 'v1/language_syntax_gcs.py', 'v1/language_entities_text.py', 'v1/language_classify_text.py', 'v1/language_syntax_text.py', 'v1/language_entity_sentiment_text.py', 'v1/language_entities_gcs.py', 'v1/language_sentiment_gcs.py', 'v1/language_sentiment_text.py']
synthtool > No files in sources /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/language-v1/tests/system/gapic/v1 were copied. Does the source contain files?
.coveragerc
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docs/_static/custom.css
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noxfile.py.j2
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synthtool > Replaced 'types\\.EncodingType' in google/cloud/language_v1beta2/gapic/language_service_client.py.
synthtool > Replaced 'types\\.EncodingType' in google/cloud/language_v1/gapic/language_service_client.py.
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 samples
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reformatted /tmpfs/src/git/autosynth/working_repo/language/google/cloud/language_v1beta2/gapic/language_service_client_config.py
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reformatted /tmpfs/src/git/autosynth/working_repo/language/samples/v1/language_classify_gcs.py
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25 files reformatted, 19 files left unchanged.
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synthtool > Wrote metadata to synth.metadata.

[busunkim96]

The long '#####' is breaking the docs build