Update Peewee docs, simplify with double dependency with yield

[tiangolo]

📝 Update Peewee docs, simplify with double dependency with yield

[codecov]

Codecov Report

Merging #947 into master will not change coverage.
The diff coverage is 100%.

@@          Coverage Diff          @@
##           master   #947   +/-   ##
=====================================
  Coverage     100%   100%           
=====================================
  Files         293    293           
  Lines        7692   7688    -4     
=====================================
- Hits         7692   7688    -4

Impacted Files	Coverage Δ
docs/src/sql_databases_peewee/sql_app/main.py	100% <100%> (ø)	⬆️
...est_additional_responses_custom_validationerror.py	100% <0%> (ø)	⬆️
docs/src/app_testing/tutorial003.py	100% <0%> (ø)	⬆️
...t_query_params_str_validations/test_tutorial001.py	100% <0%> (ø)	⬆️
tests/test_custom_swagger_ui_redirect.py	100% <0%> (ø)	⬆️
docs/src/first_steps/tutorial001.py	100% <0%> (ø)	⬆️
tests/test_additional_responses_router.py	100% <0%> (ø)	⬆️
docs/src/application_configuration/tutorial001.py	100% <0%> (ø)	⬆️
...test_tutorial/test_body_fields/test_tutorial001.py	100% <0%> (ø)	⬆️
tests/test_swagger_ui_init_oauth.py	100% <0%> (ø)	⬆️
... and 79 more

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