Update app.py

app.py

@@ -84,12 +84,6 @@ labels = dataset.features['ner_tags'].feature.names
 
 features = dataset["test"].features
 
-column_names = dataset["test"].column_names
-
-image_column_name = "image"
-text_column_name = "tokens"
-boxes_column_name = "bboxes"
-label_column_name = "ner_tags"
 
 # In the event the labels are not a `Sequence[ClassLabel]`, we will need to go through the dataset to get the
 # unique labels.