docs: def get_user(login, profile='grafana'):
      '''
      Show a single user.
  
      login
          Login of the user.
  
      profile
          Configuration profile used to connect to the Grafana instance.
          Default is 'grafana'.
  
      CLI Example:
  
      .. code-block:: bash
  
          salt '*' grafana4.get_user <login>
      '''
      data = get_users(profile)
      for user in data:
          if user['login'] == login:
              return user
      return None