CORD-2741 pass service versions in LoadModels call

Change-Id: Ib993f875146490e11b4196e91bc5fae8c70529cc
diff --git a/lib/xos-util/xosutil/autodiscover_version.py b/lib/xos-util/xosutil/autodiscover_version.py
index 023aa79..d41f4b3 100644
--- a/lib/xos-util/xosutil/autodiscover_version.py
+++ b/lib/xos-util/xosutil/autodiscover_version.py
@@ -49,3 +49,10 @@
     frame = inspect.stack()[1]
     module = inspect.getmodule(frame[0])
     return autodiscover_version(module.__file__, *args, **kwargs)
+
+def autodiscover_version_of_main(*args, **kwargs):
+    import __main__
+    if hasattr(__main__, "__file__"):
+        return autodiscover_version(__main__.__file__, *args, **kwargs)
+    else:
+        return None