download_pictures.py

def ascii_encode(img_url):
  return unicodedata.normalize('NFKD', img_url).encode('ascii','ignore')

def download_pictures(self, response):
        image_urls = get_image_urls(response)
        for img_url in image_urls:
            self.index+=1
            print(img_url)
            ascii_url = ascii_encode(img_url)
            img_data = requests.get(ascii_url).content
            with open(str(self.index)+".jpg", 'w') as handler:
                handler.write(img_data)