* bigquery: add client.delete_dataset

* support Dataset as well as DatasetReference

* fix lint

* bigquery: add client.delete_dataset

* support Dataset as well as DatasetReference

* fix lint

* bigquery: add client.delete_dataset

* support Dataset as well as DatasetReference

* fix lint

* Add samples for Cloud Tasks [(#1068)](GoogleCloudPlatform/python-docs-samples#1068)

* Add samples for Cloud Tasks

* Respond to tasks sample review

* Update app engine queues samples

* Address review feedback

* Address review issues and convert pull queue sample to not use API key auth

* Reform pull queues to match appengine queues changes to auth, command line input, readme

* flake8 and fix comment

* Fix Tasks sample test issues.

* Remove queue.yaml, now unused

* Add required flag on certain arguments to command-line tools

* Auto-update dependencies. [(#1116)](GoogleCloudPlatform/python-docs-samples#1116)

* Auto-update dependencies. [(#1133)](GoogleCloudPlatform/python-docs-samples#1133)

* Auto-update dependencies.

* Fix missing http library

Change-Id: I99faa600f2f3f1f50f57694fc9835d7f35bda250

* Update Task Queue samples for beta

* Use full import to get client

* Auto-update dependencies. [(#1186)](GoogleCloudPlatform/python-docs-samples#1186)

* Auto-update dependencies. [(#1217)](GoogleCloudPlatform/python-docs-samples#1217)

* Added "Open in Cloud Shell" buttons to README files [(#1254)](GoogleCloudPlatform/python-docs-samples#1254)

* Add comments and region tags to Cloud Tasks samples [(#1271)](GoogleCloudPlatform/python-docs-samples#1271)

* Standardize on CamelCase, reword confusing endpoint name [(#1288)](GoogleCloudPlatform/python-docs-samples#1288)

* Auto-update dependencies. [(#1309)](GoogleCloudPlatform/python-docs-samples#1309)

* Rename pull to lease and fix name/parent confusion [(#1311)](GoogleCloudPlatform/python-docs-samples#1311)

* Updated region tags for pull queue samples [(#1329)](GoogleCloudPlatform/python-docs-samples#1329)

* Auto-update dependencies. [(#1320)](GoogleCloudPlatform/python-docs-samples#1320)

* Auto-update dependencies. [(#1355)](GoogleCloudPlatform/python-docs-samples#1355)

* Auto-update dependencies. [(#1359)](GoogleCloudPlatform/python-docs-samples#1359)

* Auto-update dependencies.

* Update Cloud Tasks Samples [(#1529)](GoogleCloudPlatform/python-docs-samples#1529)

* passing create task

* Passing tests

* updates to region tags

* update region tags [(#1532)](GoogleCloudPlatform/python-docs-samples#1532)

* update Tasks Sample for App Engine [(#1541)](GoogleCloudPlatform/python-docs-samples#1541)

* update gcloud command for creating queues

* deploys and runs

* update license

* passing tests

* Fix run command [(#1563)](GoogleCloudPlatform/python-docs-samples#1563)

* Updated library for TTS GA [(#1552)](GoogleCloudPlatform/python-docs-samples#1552)

* update gcloud command for Cloud Tasks [(#1566)](GoogleCloudPlatform/python-docs-samples#1566)

* update gcloud command

* update pull queue command

* update pull queue command

* Update Cloud Tasks Push Queue Sample [(#1698)](GoogleCloudPlatform/python-docs-samples#1698)

* deleted pull queues

* updated samples

* fix dependency versions

* [Cloud Tasks] Move samples to new folder [(#2114)](GoogleCloudPlatform/python-docs-samples#2114)

* Move samples to keep consistent with other langauges

* Ad system tests as well

* [Cloud Tasks] Add task with authentication sample [(#2113)](GoogleCloudPlatform/python-docs-samples#2113)

* Add task with authentication sample

* Fix linting

* Fix linting

* Fix spacing

* Update tests with service account

* Move samples and update READMEs

* Update version and linting

* Update task sample comments [(#2156)](GoogleCloudPlatform/python-docs-samples#2156)

* Update task comments

* Update readme

* Update queue name

* update gcloud [(#2208)](GoogleCloudPlatform/python-docs-samples#2208)

* Add protobuf dep and install instructions [(#2250)](GoogleCloudPlatform/python-docs-samples#2250)

* Add Migration Guide Snippets for Cloud Tasks [(#2316)](GoogleCloudPlatform/python-docs-samples#2316)

* Migration guide

* remove app and update migraitonn

* snippets for migration guide - tests added

* lint

* remove print statements

* Styling changes

* Travis trigger

* Update create_http_task.py [(#2187)](GoogleCloudPlatform/python-docs-samples#2187)

Updates `create_http_task.py` to have missing `in_seconds` variable

* Adds updates for samples profiler ... vision [(#2439)](GoogleCloudPlatform/python-docs-samples#2439)

* Update Cloud Tasks library version [(#2516)](GoogleCloudPlatform/python-docs-samples#2516)

* Update to new library

* update library version

* Adds Task name while creating Task [(#2543)](GoogleCloudPlatform/python-docs-samples#2543)

* Task Name in Creating HTTP Task with Token [(#2700)](GoogleCloudPlatform/python-docs-samples#2700)

* chore(deps): update dependency google-cloud-tasks to v1.5.0 [(#3168)](GoogleCloudPlatform/python-docs-samples#3168)

* chore(deps): update dependency googleapis-common-protos to v1.51.0 [(#3171)](GoogleCloudPlatform/python-docs-samples#3171)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [googleapis-common-protos](https://togithub.com/googleapis/googleapis) | minor | `==1.6.0` -> `==1.51.0` |

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* Simplify noxfile setup. [(#2806)](GoogleCloudPlatform/python-docs-samples#2806)

* chore(deps): update dependency requests to v2.23.0

* Simplify noxfile and add version control.

* Configure appengine/standard to only test Python 2.7.

* Update Kokokro configs to match noxfile.

* Add requirements-test to each folder.

* Remove Py2 versions from everything execept appengine/standard.

* Remove conftest.py.

* Remove appengine/standard/conftest.py

* Remove 'no-sucess-flaky-report' from pytest.ini.

* Add GAE SDK back to appengine/standard tests.

* Fix typo.

* Roll pytest to python 2 version.

* Add a bunch of testing requirements.

* Remove typo.

* Add appengine lib directory back in.

* Add some additional requirements.

* Fix issue with flake8 args.

* Even more requirements.

* Readd appengine conftest.py.

* Add a few more requirements.

* Even more Appengine requirements.

* Add webtest for appengine/standard/mailgun.

* Add some additional requirements.

* Add workaround for issue with mailjet-rest.

* Add responses for appengine/standard/mailjet.

Co-authored-by: Renovate Bot <bot@renovateapp.com>

* Remove dependency googleapis-common-protos [(#3955)](GoogleCloudPlatform/python-docs-samples#3955)

* Update dependency googleapis-common-protos to v1.52.0

* Update requirements.txt

* Update requirements.txt

* Update requirements.txt

Co-authored-by: Bu Sun Kim <8822365+busunkim96@users.noreply.github.com>

* Replace GCLOUD_PROJECT with GOOGLE_CLOUD_PROJECT. [(#4022)](GoogleCloudPlatform/python-docs-samples#4022)

* [tasks] testing: use fixtures for the queue [(#4049)](GoogleCloudPlatform/python-docs-samples#4049)

fixes #4045
fixes #4044

I don't know why these tests started to fail, but anyways we'd better
use fixtures and temporary queues.

* add python snippets and tests for creating, listing, and deleting queues [(#4012)](GoogleCloudPlatform/python-docs-samples#4012)

* add python snippets and tests for creating, listing, and deleting queues

* fix grammar

* update licenses

* apply suggested fixes and format with black

* refine delete_queue_test with fixture for setup

* utilize fixtures and match format of create_http_task_test

* utilize fixtures in list_queues_test and create_queue_test

* make create_queue_test call the right function

* still attempt to delete queue after test runs in case of failure

* attempt to delete queue in case of failure, using try/except approach

* add print when NotFound is caught

* fix import

Co-authored-by: Averi Kitsch <akitsch@google.com>
Co-authored-by: Takashi Matsuo <tmatsuo@google.com>

* docs(tasks): service_account_email parameter example [(#4183)](GoogleCloudPlatform/python-docs-samples#4183)

* docs(tasks): serviceAccountEmail parameter example

* docs(tasks): parameter name camel => snake case

* docs(tasks): comment order = function param order

* chore(deps): update dependency pytest to v5.4.3 [(#4279)](GoogleCloudPlatform/python-docs-samples#4279)

* chore(deps): update dependency pytest to v5.4.3

* specify pytest for python 2 in appengine

Co-authored-by: Leah Cole <coleleah@google.com>

* Update dependency pytest to v6 [(#4390)](GoogleCloudPlatform/python-docs-samples#4390)

* tasks: added json content-type request [(#4473)](GoogleCloudPlatform/python-docs-samples#4473)

- added json payload compatibility
- fix imports and code block used on https://cloud.google.com/tasks/docs/creating-http-target-tasks#python

## Description

Fixes #<ISSUE-NUMBER>

Note: It's a good idea to open an issue first for discussion.

## Checklist
- [ ] I have followed [Sample Guidelines from AUTHORING_GUIDE.MD](https://github.com/GoogleCloudPlatform/python-docs-samples/blob/master/AUTHORING_GUIDE.md)
- [ ] README is updated to include [all relevant information](https://github.com/GoogleCloudPlatform/python-docs-samples/blob/master/AUTHORING_GUIDE.md#readme-file)
- [ ] **Tests** pass:   `nox -s py-3.6` (see [Test Environment Setup](https://github.com/GoogleCloudPlatform/python-docs-samples/blob/master/AUTHORING_GUIDE.md#test-environment-setup))
- [ ] **Lint** pass:   `nox -s lint` (see [Test Environment Setup](https://github.com/GoogleCloudPlatform/python-docs-samples/blob/master/AUTHORING_GUIDE.md#test-environment-setup))
- [ ] These samples need a new **API enabled** in testing projects to pass (let us know which ones)
- [ ] These samples need a new/updated **env vars** in testing projects set to pass (let us know which ones)
- [ ] Please **merge** this PR for me once it is approved.
- [ ] This sample adds a new sample directory, and I updated the [CODEOWNERS file](https://github.com/GoogleCloudPlatform/python-docs-samples/blob/master/.github/CODEOWNERS) with the codeowners for this sample

* docs: add samples from python-docs-samples/tasks

* chore: update templates

Co-authored-by: Andrew Gorcester <andrew.gorcester@gmail.com>
Co-authored-by: Andrew Gorcester <gorcester@google.com>
Co-authored-by: DPE bot <dpebot@google.com>
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