logic error fix

chat_application/main.py

@@ -58,8 +58,8 @@ class datasetHandler():
 
   def list_dumps(self):
     all_files = self.api.list_repo_files(repo_id="ProjectFrozone/MongoDBDumps", repo_type="dataset") 
-    all_dirs = set([f[:f.index("/")] for f in all_files if "mongoDump_" in f]) 
-    dates = sorted([date[date.index("_") + 1:] for date in all_dirs])
+    all_dirs = [f[:f.index("/")] for f in all_files if "mongoDump_" in f] 
+    dates = [date[date.index("_") + 1:] for date in all_dirs]
     return (all_dirs, dates)     
   
   def delete_dump(self,dump_name):