Fix #8741

kitty_tests/datatypes.py

@@ -535,8 +535,6 @@ class TestDataTypes(BaseTest):
                 if saved[k] is not None:
                     os.environ[k] = saved[k]
 
-
-
     def test_historybuf(self):
         lb = filled_line_buf()
         hb = HistoryBuf(5, 5)

kitty_tests/screen.py

@@ -105,6 +105,14 @@ class TestScreen(BaseTest):
         self.ae(str(s.line(4)), 'a\u0306b1\u030623')
         self.ae((s.cursor.x, s.cursor.y), (2, 4))
 
+        # Test drawing of tabs
+        s = self.create_screen(cols=32)
+        txt = 'a\tb'
+        s.draw(txt)
+        ln = s.line(0)
+        self.ae(txt, ln.as_ansi())
+
+
     def test_rep(self):
         s = self.create_screen()
         s.draw('a')