Update app.py

app.py

@@ -92,6 +92,8 @@ def search_web(query):
     except Exception as e:
         return f"An error occurred: {e}"
 
+full_response = None  # Initialize full_response to None
+
 if prompt := st.chat_input("Enter your prompt here..."):
     st.session_state.messages.append({"role": "user", "content": prompt})
 
@@ -121,12 +123,14 @@ if prompt := st.chat_input("Enter your prompt here..."):
     except Exception as e:
         st.error(e, icon="🚨")
 
-    if isinstance(full_response, str):
-        st.session_state.messages.append(
-            {"role": "assistant", "content": full_response}
-        )
-    else:
-        combined_response = "\n".join(str(item) for item in full_response)
-        st.session_state.messages.append(
-            {"role": "assistant", "content": combined_response}
-        )
+    # Check if full_response is defined before using it
+    if full_response is not None:
+        if isinstance(full_response, str):
+            st.session_state.messages.append(
+                {"role": "assistant", "content": full_response}
+            )
+        else:
+            combined_response = "\n".join(str(item) for item in full_response)
+            st.session_state.messages.append(
+                {"role": "assistant", "content": combined_response}
+            )