update data loading script

food_vision_199_classes.py

@@ -8,6 +8,8 @@ See another example: https://huggingface.co/datasets/davanstrien/encyclopedia_br
 
 import datasets
 import os
+import requests
+
 import pandas as pd
 
 from datasets.tasks import ImageClassification
@@ -17,9 +19,11 @@ _LICENSE = "TODO"
 _CITATION = "TODO"
 _DESCRIPTION = "Images of 199 food classes from the Nutrify app."
 
-# Read lines of class_names.txt
-class_names = datasets.DownloadManager().download("class_names.txt")
-with open(class_names, "r") as f:
+# Download class_names.txt and read it
+url = "https://huggingface.co/datasets/mrdbourke/food_vision_199_classes/blob/main/class_names.txt"
+r = requests.get(url, allow_redirects=True)
+open("class_names.txt', 'wb").write(r.content)
+with open("class_names.txt", "r") as f:
     _NAMES = f.read().splitlines()
 
 # Create Food199 class