main: sometimes events can be errors

Signed-off-by: Vincent Batts <vbatts@hashbangbash.com>

main.go

@@ -73,14 +73,19 @@ func main() {
 				for {
 					select {
 					case e := <-evnt:
-						ue := e.(*mastodon.UpdateEvent)
+						switch v := e.(type) {
-
+						case nil:
+							logrus.Info("event is nil")
+						case *mastodon.UpdateEvent:
 							// https://pkg.go.dev/github.com/mattn/go-mastodon#Status
-						buf, err := json.MarshalIndent(ue.Status, "", "  ")
+							buf, err := json.MarshalIndent(v.Status, "", "  ")
 							if err != nil {
 								logrus.Error(err)
 							}
 							fmt.Println(string(buf))
+						case *mastodon.ErrorEvent:
+							logrus.Errorf("event was error: %#v", v)
+						}
 					}
 				}
 			}