Update app.py

app.py

@@ -257,7 +257,7 @@ def main():
         st.session_state.messages = []
     if "knowledge_base" not in st.session_state:
         try:
-            with open('manny_knowledge_base.json', 'r', encoding='utf-8') as f:
+            with open('knowledge_base.json', 'r', encoding='utf-8') as f:
                 st.session_state.knowledge_base = json.load(f)
         except FileNotFoundError:
             st.error("Knowledge base file not found.")