text: from datetime import datetime
  
  from app import db
  
  
  class Organization(db.Model):
      __tablename__ = "organizations"
      id = db.Column(db.Integer, primary_key=True)
      name = db.Column(db.String(255), nullable=False)
      username = db.Column(db.String(80), nullable=False, unique=True)
      created_at = db.Column(db.DateTime, nullable=False, default=datetime.utcnow)
      updated_at = db.Column(db.DateTime, nullable=True, onupdate=datetime.utcnow)
  