Updated requests library to version 1.2.3

libs/requests/exceptions.py

@@ -16,7 +16,11 @@ class RequestException(RuntimeError):
 
 class HTTPError(RequestException):
     """An HTTP error occurred."""
-    response = None
+
+    def __init__(self, *args, **kwargs):
+        """ Initializes HTTPError with optional `response` object. """
+        self.response = kwargs.pop('response', None)
+        super(HTTPError, self).__init__(*args, **kwargs)
 
 
 class ConnectionError(RequestException):