text: import pytz
  from datetime import datetime
  
  from app.main import db
  
  
  class UserCheckin(db.Model):
      """ UserCheckin Model for storing business staff marking related details """
      __tablename__ = "user_checkin"
      pytz.timezone('America/Asuncion').localize(datetime.now())
  
      id = db.Column(db.Integer, primary_key=True, autoincrement=True)
      staff_id = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=False)
      branch_id = db.Column(db.Integer, db.ForeignKey('branch.id'), nullable=False)
      created_at = db.Column(db.DateTime, nullable=False, default=datetime.now())
      updated_at = db.Column(db.DateTime, nullable=False, default=datetime.now())
  