Update app.py

app.py

@@ -193,8 +193,6 @@ def count_objects(image, pos_caption, neg_caption, box_threshold, point_radius,
     # Ensure captions end with period
     if not pos_caption.endswith('.'):
         pos_caption = pos_caption + '.'
-    if neg_caption is None:
-        neg_caption = "None."
     if neg_caption and not neg_caption.endswith('.'):
         neg_caption = neg_caption + '.'
 
@@ -210,9 +208,12 @@ def count_objects(image, pos_caption, neg_caption, box_threshold, point_radius,
 
     # Process negative caption if provided
     use_neg = bool(neg_caption and neg_caption.strip() and neg_caption != '.')
-    print('neg_caption: ', neg_caption)
+    
 
     if use_neg:
+        print('neg_caption: ', neg_caption)
+        if neg_caption is None:
+            neg_caption = "None."
         neg_inputs = processor(
             images=image,
             text=neg_caption,