def _httpx_client() -> httpx.Client:
    """Get an HTTPX client.

    Returns:
        An HTTPX client.
    """
    from httpx._utils import get_environment_proxies

    return httpx.Client(
        transport=httpx.HTTPTransport(
            local_address=_httpx_local_address_kwarg(),
            verify=_httpx_verify_kwarg(),
        ),
        mounts={
            key: (
                None if url is None else httpx.HTTPTransport(proxy=httpx.Proxy(url=url))
            )
            for key, url in get_environment_proxies().items()
        },
    )
Get an HTTPX client.

    Returns:
        An HTTPX client.
    
reflex/utils/net.py