Update app.py

app.py

@@ -87,11 +87,14 @@ def load_conversations(phone_number):
             for line in f:
                 try:
                     conversation = json.loads(line)
-                    if conversation.get("phone_number") == phone_number:
+                    if isinstance(conversation, dict) and conversation.get("phone_number") == phone_number:
                         conversations.append(conversation)
                 except json.JSONDecodeError:
                     st.error("Error decoding JSON from conversations file. Please check the file.")
                     continue
+                except Exception as e:
+                    st.error(f"Unexpected error: {e}")
+                    continue
             return conversations
     return []