added logout

tokenManagement.py

@@ -109,10 +109,9 @@ def update_refreshTokenWithPreviouslyUsedAccessToken(db_uri: str, refresh_token:
     except:
         return False
 
-
-
+from pymongo import MongoClient
 def verify_access_token(db_uri: str, user_id: str, access_token: str) -> bool:
-    from pymongo import MongoClient
+    
     current_time = datetime.datetime.now()
     expire_at = current_time + datetime.timedelta(minutes=15)
     """
@@ -173,7 +172,9 @@ def logout(db_uri: str, refresh_token: str) -> str:
     collection = db["RefreshToken"]
     # Insert the document
     result = collection.find_one_and_delete(filter={"_id":ObjectId(refresh_token)})
-    
+    print(result)
+    if result==None:
+        return result
     return True
     
     # Close the connection