With that syntax, the default timestamp would have been from the time of the function's definition (not invocation). But all callers are passing an explicit timestamp anyway.
@@ -874,7 +874,7 @@ def driver_parameters(name):
return [p for p in params if p not in ignored_params]
-def isodate(seconds=time.time()):
+def isodate(seconds):
''' Helper method which returns an iso date '''
return datetime.utcfromtimestamp(seconds).isoformat("T")