Error when using evaluate model

[ddurgaprasad]

I am successful with Config,Preporcessing,init-model,train-model modules. But
evaluate module is causing below errors. Any fixes ?
**C:\SAI\MachineLearning\treigerm\python waterNet.py -e**

Start evaluating model.
Create GeoTIFF result files.
Traceback (most recent call last):
File "waterNet.py", line 199, in
main()
File "waterNet.py", line 195, in main
model_dir, out_format=args.out_format)
File "C:\SAI\MachineLearning\treigerm\waterNet\evaluation.py", line 37, in evaluate_model
visualise_predictions(predicted_bitmap, labels, false_positives, tile_size, out_path, out_format=out_format)
File "C:\SAI\MachineLearning\treigerm\waterNet\evaluation.py", line 73, in visualise_predictions
visualise_results(results, tile_size, out_path, out_format=out_format)
File "C:\SAI\MachineLearning\treigerm\waterNet\geo_util.py", line 155, in visualise_results
sorted_by_path = sorted(results, key=get_path)
TypeError: () missing 2 required positional arguments: 'pos' and 'path'