fix 403 with headers in requests

app_dialogue.py

@@ -82,10 +82,11 @@ def load_tokenizer_model(model_name):
 
 
 def fetch_images(url_images):
+    headers={"User-Agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36"}
     images = []
     for url in url_images:
         if isinstance(url, str):
-            images.append(Image.open(BytesIO(requests.get(url, stream=True).content)))
+            images.append(Image.open(BytesIO(requests.get(url, stream=True, headers=headers).content)))
         else:
             images.append(url)
     return images