fix: bugs

Signed-off-by: ivelin <ivelin.eth@gmail.com>

app.py

@@ -51,6 +51,7 @@ def process_refexp(image: Image, prompt: str):
         processor.tokenizer.pad_token, "")
     # remove first task start token
     sequence = re.sub(r"<.*?>", "", sequence, count=1).strip()
+    print(fr"predicted decoder sequence before token2json: {sequence}")
     bbox = processor.token2json(sequence)
     print(f"predicted bounding box: {bbox}")