[client] fix backwards compatibility with period passed in schedule()

Signed-off-by: Antoine MAZEAS <[email protected]>

Author: antoinemzs

pyobas/helpers.py

@@ -290,6 +290,10 @@ def __init__(
         }
 
     def schedule(self, message_callback, delay):
+        # backwards compatibility: when older style call sets delay
+        # and no config exists,
+        if self.__daemon._configuration.get("collector_period") is None:
+            self.__daemon._configuration.set("collector_period", delay)
         self.__daemon.set_callback(message_callback)
         self.__daemon.start()