Update app.py

app.py

@@ -1,4 +1,4 @@
-REVISION = "88d0b37d9709722f05bda58b8126980a3333e1cc"
+REVISION = "ba029e089f455d7fb5557d59a71a19ef4bdc6f5b"
 
 try:
     import spaces
@@ -128,10 +128,6 @@ def convert_to_entities(text, coords):
 
 @spaces.GPU(duration=30)
 def answer_question(img, prompt):
-    if img is None:
-        yield "", ""
-        return
-
     buffer = ""
     for new_text in moondream.query(img, prompt, stream=True)["answer"]:
         buffer += new_text