def __init__(self, protocol=None, session=None, timeout=None):
self.protocol = protocol<EOL>self.session = session<EOL>self.timeout = timeout<EOL>if '<STR_LIT>' in self.session.headers:<EOL><INDENT>del self.session.headers['<STR_LIT>']<EOL><DEDENT>if '<STR_LIT>' in self.session.headers:<EOL><INDENT>del self.session.headers['<STR_LIT>']<EOL><DEDENT>self.proxies = None<EOL>
:param str protocol:
    http or https.
:param requests.Session session:
    session object created with requests library (or compatible).
:param int timeout:
    timeout for the http request, in seconds.