SQLAlchemy declarative problem

gistfile1.txt

import sqlalchemy as sa
from sqlalchemy import orm, sql
from sqlalchemy.ext.declarative import declarative_base

Base = declarative_base()


class Customer(Base):
    __tablename__ = 'customer'

    customer_id = sa.Column(sa.Integer, primary_key=True),
    name = sa.Column(sa.Text),
    address = sa.Column(sa.Text),
    landline = sa.Column(sa.Text),
    mobile = sa.Column(sa.Text),
    license = sa.Column(sa.Text),
    users = sa.Column(sa.Integer),
    notes = sa.Column(sa.Text),
    contact_name = sa.Column(sa.Text),
    cameras = sa.Column(sa.Integer),
    plugins = sa.Column(sa.Text),
    email = sa.Column(sa.Text),
    support = sa.Column(sa.Text),
    url = sa.Column(sa.Text),
    gateway = sa.Column(sa.Text),
    message = sa.Column(sa.Text),