pulp_python does not disable tls_validation when it is set to false on the remote

[pulp-user333]

Version
Please provide the versions of the pulpcore and pulp_python packages in use, and how they are installed. If you are using Pulp via Katello, please provide the Katello version.

"core": "3.47.0"
"python": "3.11.0"

We are using docker compose to installed Pulp components.

Describe the bug
A clear and concise description of what the bug is.

When a Python remote is created for PyPI, using a HTTP proxy, and when TLS Validation is set to False, we are getting a certificate validation error when trying to sync the python repository with the PyPI remote.

To Reproduce
Steps to reproduce the behavior:
Create a Python Remote pointing to PyPI, with HTTP proxy, and TLS Validation set to False:

[
{
“pulp_href”: “/pulp/api/v3/remotes/python/python/018e3f85-b903-783a-a05a-f86fdabce839/”,
“pulp_created”: “2024-03-15T00:31:52.068466Z”,
“name”: “Test-PyPI”,
"url": “https://pypi.org/”,
“ca_cert”: null,
“client_cert”: null,
"tls_validation": false,
"proxy_url": “http://10.1.1.9:8080/”,
“pulp_labels”: {},
“pulp_last_updated”: “2024-03-18T15:58:31.957989Z”,
“download_concurrency”: null,
“max_retries”: null,
“policy”: “on_demand”,
“total_timeout”: null,
“connect_timeout”: null,
“sock_connect_timeout”: null,
“sock_read_timeout”: null,
“headers”: null,
“rate_limit”: null,
“hidden_fields”: [
{
“name”: “client_key”,
“is_set”: false
},
{
“name”: “proxy_username”,
“is_set”: false
},
{
“name”: “proxy_password”,
“is_set”: false
},
{
“name”: “username”,
“is_set”: false
},
{
“name”: “password”,
“is_set”: false
}
],
“includes”: [
“shelf-reader”
],
“excludes”: [],
“prereleases”: true,
“package_types”: [],
“keep_latest_packages”: 0,
“exclude_platforms”: []
}
]

Create a Python Repository:
[
{
"pulp_href": "/pulp/api/v3/repositories/python/python/018e3f85-bfde-7228-b620-68f8f49897aa/",
"pulp_created": "2024-03-15T00:31:53.823938Z",
"versions_href": "/pulp/api/v3/repositories/python/python/018e3f85-bfde-7228-b620-68f8f49897aa/versions/",
"pulp_labels": {},
"latest_version_href": "/pulp/api/v3/repositories/python/python/018e3f85-bfde-7228-b620-68f8f49897aa/versions/0/",
"name": "Test-PyPI",
"description": "",
"retain_repo_versions": null,
"remote": null,
"autopublish": false
}
]

Sync the repository with the remote:
pulp python repository sync --name Test-PyPI --remote Test-PyPI

The logs would generate the following error:
pulp-pulp_worker-1 | 2024-03-18T21:47:12.763642774Z aiohttp.client_exceptions.ClientConnectorCertificateError: Cannot connect to host pypi.org:443 ssl:True [SSLCertVerificationError: (1, '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1129)')]

Expected behavior
A clear and concise description of what you expected to happen.
TLS validation not to be performed on the remote when a sync is performed on the python repository and remote.

Additional context
Add any other context about the problem here. Please provide links to any previous discussions via Discourse or Bugzilla.