'Called right before a request is made, after the socket is created.'

def _validate_conn(self, conn):

    super(HTTPSConnectionPool, self)._validate_conn(conn)
    if (not getattr(conn, 'sock', None)):
        conn.connect()
    if (not conn.is_verified):
        warnings.warn('Unverified    HTTPS    request    is    being    made.    Adding    certificate    verification    is    strongly    advised.    See:    https://urllib3.readthedocs.org/en/latest/security.html', InsecureRequestWarning)
