Python - PyQt - Close Tab with Ctrl+W

#!/usr/bin/env python3

import sys
from PyQt5.QtCore import *
from PyQt5.QtGui import *
from PyQt5.QtWidgets import *

class Window(QWidget):

    def __init__(self):
        super().__init__(self)

        self.shortcut = QShortcut(QKeySequence("Ctrl+W"), self, self.on_close_tab)

        self.tabs = QTabWidget(self)
        self.tabs.resize(600, 300)

        self.show()

        # add few tabs
        for i in range(1, 11):
            e = QTextEdit(self.tabs)
            e.append("Hello World number {} !".format(i))
            self.tabs.addTab(e, "#{}".format(i))

    @pyqtSlot()
    def on_close_tab(self):
        print("DEBUG: tabs count:", self.tabs.count())

        if self.tabs.count():
            print("DEBUG: tabs current index:", self.tabs.currentIndex())
            self.tabs.removeTab(self.tabs.currentIndex())

app = QApplication(sys.argv)
win = Window()
sys.exit(app.exec_())