Update app.py

app.py

@@ -24,7 +24,7 @@ docs.add('knowledge_extraction.csv', disable_check=True)
 docs.add('SSA - POMS_ SI 00502.100 - Basic SSI Alien Eligibility Requirements - 11_30_2023.pdf', disable_check=True)
 
 def respond(message, *args, **kwargs):
-    return docs.query(messages).answer
+    return docs.query(message).answer
 
 
 examples = [["A qualified alien entered the United States on August 15, 1996. Tell me about their eligibility for Supplemental Security Income (SSI)."],