Update main.py

main.py

@@ -57,8 +57,8 @@ class datachat():
 
 
     def data_ops(self,query):
-        if os.path.isfile('output.csv'):
-            df=pd.read_csv('output.csv') 
+        if os.path.isfile('./output.csv'):
+            df=pd.read_csv('./output.csv') 
         else:
             df=pd.read_csv(self.file_path) 
         query = query