Log email-validator not installed only when used

[tiangolo]

🔇 Log email-validator not installed only when used

[codecov]

Codecov Report

Merging #946 into master will not change coverage.
The diff coverage is 100%.

@@          Coverage Diff          @@
##           master   #946   +/-   ##
=====================================
  Coverage     100%   100%           
=====================================
  Files         293    293           
  Lines        7692   7785   +93     
=====================================
+ Hits         7692   7785   +93

Impacted Files	Coverage Δ
fastapi/openapi/models.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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