adds print statement.

nist_lpbf_scan_tracks.py

@@ -179,6 +179,7 @@ class AMDataset(datasets.GeneratorBasedBuilder):
         # TODO: This method handles input defined in _split_generators to yield (key, example) tuples from the dataset.
         # The `key` is for legacy reasons (tfds) and is not important in itself, but must be unique for each example.
 
+        print(files)
         for index, file in enumerate(files):
             with open(file, "rb") as f:
                 track = pickle.load(f)