Add accept header for permit all MIME types

deoldify/visualize.py

@@ -62,7 +62,7 @@ class ModelImageVisualizer:
         return PIL.Image.open(path).convert('RGB')
 
     def _get_image_from_url(self, url: str) -> Image:
-        response = requests.get(url, timeout=30)
+        response = requests.get(url, timeout=30, headers={'Accept': '*/*;q=0.8'})
         img = PIL.Image.open(BytesIO(response.content)).convert('RGB')
         return img