Raise a more descriptive ValueError if single_request_timeout is less than 0

Author: cmlccie

webexteamssdk/restsession.py

@@ -162,7 +162,8 @@ def single_request_timeout(self):
     def single_request_timeout(self, value):
         """The timeout (seconds) for a single HTTP REST API request."""
         check_type(value, int, optional=True)
-        assert value is None or value > 0
+        if value is not None and value <= 0:
+            raise ValueError("single_request_timeout must be positive integer")
         self._single_request_timeout = value
 
     @property