Update handler.py

handler.py

@@ -11,19 +11,20 @@ class EndpointHandler():
         self.model = Qwen2VLForConditionalGeneration.from_pretrained(path)
 
     def __call__(self, data: Any) -> Dict[str, Any]:
+        image_input = data.get('image')
+        text_input = data.get('text', "Describe this image.") 
 
-        image_input = data.get('image', None)
-        text_input = data.get('text', None)
-        
+        if image_input is None:
+            return {"error": "No image provided."}
 
-        if isinstance(data, dict):
+        try:
             if image_input.startswith('http'):
                 image = Image.open(requests.get(image_input, stream=True).raw).convert('RGB')
             else:
                 image_data = base64.b64decode(image_input)
                 image = Image.open(io.BytesIO(image_data)).convert('RGB')
-        else:
-            return {"error": "Invalid input data. Expected binary image data or a dictionary with 'image' key."}
+        except Exception as e:
+            return {"error": f"Failed to process the image. Details: {str(e)}"}
 
         messages = [
             {
@@ -49,4 +50,3 @@ class EndpointHandler():
         )[0]
 
         return {"generated_text": output_text}
-