title: Pyramid: OperationalError 1054, "Unknown column 'XX' in 'field list'
body: <p>When trying to access the database, I am unable to access the column.  I have run the init database script multiple times. Here's the code:</p>
  
  <p>View</p>
  
  <pre><code>from .models import Session, Admin
  @view_config(route_name='admin', renderer='templates/admin.pt')
  def admin(request):
      session = Session()
      user = authenticated_userid(request)
      admin = bool(session.query(Admin).filter_by(username = user).first())
      message = ''
      if admin:
          if 'form.submitted' in request.params:
              session.add(Admin(request.params['admin']))
              session.commit()
              message = "%s has been added as an Admin!" % request.params['admin']
              return dict(url=request.route_url('admin'),
                          message = message,
                      )
          return dict(message = message)
      else:
          return HTTPForbidden()
  </code></pre>
  
  <p>Models</p>
  
  <pre><code>class Admin(Base):
      __tablename__='admins'
      __table_args__={
          'mysql_engine':'InnoDB',
          'mysql_charset':'utf8',
      }
  
      username = Column(String(255), ForeignKey('users.username'), primary_key=True)
  
      def __init(self, user):
          self.username = user
  </code></pre>