Update memory_manager.py

memory_manager.py

@@ -1,6 +1,6 @@
 import os
 import json
-from datetime import datetime # <--- THIS IS THE FIX
+from datetime import datetime
 import time
 
 class MemoryManager:
@@ -12,7 +12,7 @@ class MemoryManager:
     def initialize_user_profile(self, user_id: str):
         if user_id not in self.memory:
             self.memory[user_id] = {
-                "created_at": datetime.datetime.now().isoformat(),
+                "created_at": datetime.now().isoformat(),
                 "conversations": []
             }
             self._save_memory()
@@ -21,7 +21,7 @@ class MemoryManager:
     def store_conversation(self, user_id: str, message: str, role: str):
         if user_id in self.memory:
             self.memory[user_id]["conversations"].append({
-                "timestamp": datetime.datetime.now().isoformat(),
+                "timestamp": datetime.now().isoformat(),
                 "role": role,
                 "message": message
             })