Update app.py

app.py

@@ -377,7 +377,7 @@ class TableExtractionPipeline():
 
     @st.cache
     def convert_df(self, df):
-        return df.to_csv().encode('utf-32')
+        return df.to_csv().encode('utf-8')
 
 
     def create_dataframe(self, c3, cells_pytess_result:list, max_cols:int, max_rows:int):