code: func createMastodonClient(ctx context.Context, acct *importer.Object) *mastodon.Client {
  
  	// Although the client can take client_id and client_secret, we won't need
  	// those for token auth
  	cl := mastodon.NewClient(&mastodon.Config{
  		Server:      acct.Attr(acctAttrInstanceURL),
  		AccessToken: acct.Attr(importer.AcctAttrAccessToken),
  	})
  
  	cl.Client = *ctxutil.Client(ctx)
  	return cl
  }
docs: // createMastodonClient returns a new Client configured for the provided
  // account. It does not check if the account has the needed fields filled.