Fix bug in aim tracker where the server based tracking was not picked (#454)

up.

Signed-off-by: Dushyant Behl <[email protected]>

Author: dushyantbehl

tuning/trackers/aimstack_tracker.py

@@ -121,7 +121,7 @@ def get_hf_callback(self):
 
         if url is not None:
             aim_callback = RunIDExporterAimCallback(repo=url, experiment=exp)
-        if repo:
+        elif repo:
             aim_callback = RunIDExporterAimCallback(repo=repo, experiment=exp)
         else:
             self.logger.error(