* Allow collections.abc.Callable to be used as type in python 3.9
* Add is_none_type as function to check none types by identity
* Modify `typing.is_none_type` to work in python 3.6 and 3.7
* Add tests for none types in typing.py
* Apply review comments on #2519
* Add different implementations depending on python version
* Add tests for is_none_type
* Add change entry
* Fix field info repr
* Remove unneeded try/except for python < 3.8
* Add comment explaining alternative is_none_type implementation
* fix: typo
Co-authored-by: PrettyWood <em.jolibois@gmail.com>
fix#279
* Support typing.Callable validation.
* Add myself to HISTORY.
* Prove it works with just Callable.
* Document callable validator behavior.
* Support differences in typing module between py36 and py37.
* Remove callable filed from JSON schema with warning.
* Update pydantic/schema.py
Co-Authored-By: proofit404 <proofit404@gmail.com>
* Update tests/test_callable.py
Co-Authored-By: proofit404 <proofit404@gmail.com>
* Update pydantic/validators.py
Co-Authored-By: proofit404 <proofit404@gmail.com>
* Update tests/test_callable.py
Co-Authored-By: proofit404 <proofit404@gmail.com>
* Move callables to the exotic types.
* Move Callable type choice to the import time.
* Move is_callable_type to the utils module.
* Raise warning at skip except.
* Update pydantic/schema.py
Co-Authored-By: proofit404 <proofit404@gmail.com>
* Update docs/index.rst
Co-Authored-By: proofit404 <proofit404@gmail.com>
* Update pydantic/schema.py
Co-Authored-By: proofit404 <proofit404@gmail.com>
* uprev
* Update index.rst (#370)
* Update history.rst
* Make the example a little more concise.
* Use callable import from the utils.
* Remove blank line.
* Remove duplication comments.
* fix history
Davis Kirkendall