domain = 'localhost:8000'
user = 'username'
password = 'password'
data = 'some data to be sent'
r = requests.post(domain, data auth=(user,password))

raise InvalidSchema("No connection adapters were found for '%s'" % url)
requests.exceptions.InvalidSchema: No connection adapters were found for 'localhost:8000'

domain = 'http://localhost:8000'