Update utils.py

utils.py

@@ -96,7 +96,7 @@ def is_google_colab():
 def validate_json_parameters(json_str):
     try:
         params = json.loads(json_str)
-        required_keys = ['prompt', 'negative_prompt', 'seed', 'width', 'height', 'guidance_scale', 'num_inference_steps', 'sampler']
+        required_keys = ['prompt', 'negative_prompt', 'resolution', 'guidance_scale', 'num_inference_steps', 'seed', 'sampler']
         for key in required_keys:
             if key not in params:
                 raise ValueError(f"Missing required key: {key}")
@@ -112,5 +112,4 @@ from io import BytesIO
 def image_to_base64(image):
     buffered = BytesIO()
     image.save(buffered, format="PNG")
-    return base64.b64encode(buffered.getvalue()).decode("utf-8")
-
+    return base64.b64encode(buffered.getvalue()).decode("utf-8")