Update app.py

app.py

@@ -141,6 +141,7 @@ def map_data_to_template(excel_file, mapping_file):
     extracted_data = extracted_data.drop('Date Qty',axis=1)
     extracted_data = extracted_data[~extracted_data['SchDate'].isna()]
     mapped_data = extracted_data.merge(mapping_data, on =['Part No.'],how='outer')[['Item Code','SchDate','Qty']]
+    mapped_data = mapped_data[~mapped_data["SchDate"].isna()]
     mapped_data['SOType'] = "R"
     mapped_data = mapped_data[~mapped_data["SchDate"].isna()]