Update app.py

app.py

@@ -153,6 +153,7 @@ def map_data_to_template(excel_file, mapping_file):
     mapped_data = mapped_data[~mapped_data["SchDate"].str.strip().isin(["",None])] 				
 
     mapped_data['SOType'] = "R"
+    mapped_data['SchDate'] = mapped_data['SchDate'].astype("str")
     return mapped_data[["SchDate","SOType","Item Code","Qty","Inventory Category"]]
 
 def save_mapping_file_to_drive():
@@ -368,7 +369,7 @@ def main():
             st.markdown("Final Excel File After Mapping")
 
             final_excel_file = 'Final Data.xlsx'
-            mapped_data.to_excel(final_excel_file, index=False)
+            mapped_data.to_excel(final_excel_file, index=False,engine='openpyxl')
 
             if os.path.exists(final_excel_file):
                 with open(final_excel_file, "rb") as f: