fixed resolution

app.py

@@ -266,12 +266,14 @@ def generate():
         is_text_to_video = 'text-to-video' in model_endpoint
         is_image_to_video = 'image-to-video' in model_endpoint
 
+        if 'image_size' in data:
+            fal_arguments['image_size'] = data['image_size']
+        if 'num_images' in data:
+            fal_arguments['num_images'] = data['num_images']
+
         if is_text_to_image:
             # Image generation (text-to-image)
-            if 'image_size' in data:
-                fal_arguments['image_size'] = data['image_size']
-            if 'num_images' in data:
-                fal_arguments['num_images'] = data['num_images']
+            pass
         elif is_text_to_video:
             # Video generation (text-to-video)
             for k in ['aspect_ratio', 'resolution', 'duration', 'camera_fixed']: