Allow to use PIL Image in chat function

In many cases one might have a PIL image instead of an images saved on disk. This change allows to use the chat function with PIL images.

modeling_GOT.py

@@ -469,11 +469,14 @@ class GOTQwenForCausalLM(Qwen2ForCausalLM):
             config.im_start_token, config.im_end_token = 151857, 151858
 
     def load_image(self, image_file):
-        if image_file.startswith('http') or image_file.startswith('https'):
-            response = requests.get(image_file)
-            image = Image.open(BytesIO(response.content)).convert('RGB')
+        if isinstance(image_file, str):
+            if image_file.startswith('http') or image_file.startswith('https'):
+                response = requests.get(image_file)
+                image = Image.open(BytesIO(response.content)).convert('RGB')
+            else:
+                image = Image.open(image_file).convert('RGB')
         else:
-            image = Image.open(image_file).convert('RGB')
+            image = image_file
         return image
 
     def disable_torch_init(self):