Update libs

libs/requests/exceptions.py

@@ -35,4 +35,7 @@ class MissingSchema(RequestException, ValueError):
     """The URL schema (e.g. http or https) is missing."""
 
 class InvalidSchema(RequestException, ValueError):
-    """See defaults.py for valid schemas."""
+    """See defaults.py for valid schemas."""
+
+class InvalidURL(RequestException, ValueError):
+    """ The URL provided was somehow invalid. """