Need import for app to instantied correct app instances

tasks.py

@@ -60,6 +60,8 @@ def add_user(username="", email=""):
     from project.database import SessionLocal
     from project.users.models import User
 
+    from main import app  # pylint: disable=unused-import
+
     session = SessionLocal()
     user = User(username=username, email=email)
     session.add(user)