def addFromBase64(self, data):
data = b64decode(data)
label = QLabel(self)
label.setScaledContents(True)
self.labels.append(label)
self.widget_layout.addWidget(label)
pix = QPixmap()
pix.loadFromData(data, "PNG")
pix.scaled(label.width(), label.height(),
Qt.KeepAspectRatioByExpanding, Qt.SmoothTransformation)
label.setPixmap(pix)
