code: def enable(ctx):
      
  
      if ctx.obj['username'] is None:
          log('Specify the username with "iso db user --username ..."')
          return
  
      change_user = ctx.obj['db'].objectmodels['user'].find_one({
          'name': ctx.obj['username']
      })
  
      change_user.active = True
      change_user.save()
      log('Done')
docs: Enable an existing user