log exception in pushing

reportservice/report_service.py

@@ -132,9 +132,11 @@ async def push_figures(repo_master, addf):
         try:
             repo.index.add(addf)
             adding = False
-        except:
+        except Exception as e:
+            logging.error(str(e))
             sleep(1)
 
+
     repo.index.commit("Add {} new figures".format(len(addf)))
     #TODO: create an async function for pushing new figures
     # to avoid blocking the report service.