Update app.py

app.py

@@ -45,9 +45,7 @@ else:
         df=pd.read_csv(file_name)
     except:
         df = pd.read_excel(file_name)
-    df = df.astype(str)
-
-     
+         
     grid_response = AgGrid(
         df.head(5),
         columns_auto_size_mode='FIT_CONTENTS',
@@ -57,6 +55,8 @@ else:
         )
 
     question = st.text_input('Type your question')
+    df = df.astype(str)
+    
     with st.spinner():
         if(st.button('Answer')):
             answer = tqa(table=df, query=question,truncation=True)