### SUMMARY
```
  sha256sum:
    description:
      - If a SHA-256 checksum is passed to this parameter, the digest of the
        destination file will be calculated after it is downloaded to ensure
        its integrity and verify that the transfer completed successfully.
        This option is deprecated. Use C(checksum) instead.
```

There is no `module.deprecate` either for `sha256sum`.

the argument has been declared deprecated in commit b3b11fbce26 (2017)

##### ISSUE TYPE
- Bug Report

##### COMPONENT NAME
get_url

* ansible version: 2.10

from __future__ import absolute_import, division, print_function
__metaclass__ = type
ANSIBLE_METADATA = {'metadata_version': '1.1',
                    'status': ['stableinterface'],
                    'supported_by': 'core'}
DOCUMENTATION = r'''
---
module: get_url
short_description: Downloads files from HTTP, HTTPS, or FTP to node
description:
     - Downloads files from HTTP, HTTPS, or FTP to the remote server. The remote
       server I(must) have direct access to the remote resource.
     - By default, if an environment variable C(<protocol>_proxy) is set on
       the target host, requests will be sent through that proxy. This
       behaviour can be overridden by setting a variable for this task
       (see `setting the environment
       <https://docs.ansible.com/playbooks_environment.html>`_),
       or by using the use_proxy option.
     - HTTP redirects can redirect from HTTP to HTTPS so you should be sure that
       your proxy environment for both protocols is correct.