Update app.py

app.py

@@ -289,7 +289,7 @@ def process_dataframe(df):
             
             for col in ['Tag', 'EngShp', 'EngQua', 'EngCol', 'EngCut', 'EngPol', 'EngSym', 'EngFlo', 'EngNts', 'EngMikly','EngBlk', 'EngWht', 'EngOpen', 'EngPav']:
                 try:
-                    df_pred[col] = loaded_label_encoder[col].inverse_transform(df_pred[col])
+                    df_pred[col] = loaded_label_encoder[col].inverse_transform(df_pred[col].astype(int))
                 except ValueError as e:
                     print(f'inverse transform fails value in column {col}: {e}', 'error')