error mgt in qr write

.gitignore

@@ -11,3 +11,4 @@ test
 id.enc
 invitation.png
 client/test.cfg
+.VSCodeCouter/

client/identity.go

@@ -84,7 +84,6 @@ func (id *Identity) AnswerInvitation(MyName string, ContactName string, MessageS
 		peer.Name = ReceivedContact.Name
 	}
 	peer.Contact = *ReceivedContact
-
 	for _, i := range MessageServerIdxs {
 		srv := id.MessageServers.Servers[i].ServerData
 		myContactCard.PullServers = append(myContactCard.PullServers, &srv)

contactcard.go

@@ -53,7 +53,6 @@ func (contact *ContactCard) Compress() ([]byte, error) {
 	if err := gz.Close(); err != nil {
 		return nil, err
 	}
-	fmt.Println(b.Bytes())
 	return b.Bytes(), nil
 }
 
@@ -143,13 +142,13 @@ func (contact *ContactCard) WritePng(filename string) {
 
 }
 
-func (Contact *ContactCard) WriteQr(filename string) {
+func (Contact *ContactCard) WriteQr(filename string) error {
 	//jsonContact, _ := json.Marshal(Contact)
 	jsonContact, _ := Contact.Compress()
 	qwriter := qrcode.NewQRCodeWriter()
 	code, err := qwriter.Encode(string(jsonContact), gozxing.BarcodeFormat_QR_CODE, 512, 512, nil)
 	if err != nil {
-		println(err.Error())
+		return err
 	}
 	file, _ := os.Create(filename)
 	defer file.Close()
@@ -157,7 +156,7 @@ func (Contact *ContactCard) WriteQr(filename string) {
 	// *BitMatrix implements the image.Image interface,
 	// so it is able to be passed to png.Encode directly.
 	_ = png.Encode(file, code)
-
+	return nil
 }
 
 func ReadQr(Filename string) ContactCard {