fix lint

Tests/test_imagefont.py

@@ -442,15 +442,18 @@ def test_unicode_pilfont(self):
 
     @unittest.skipIf(sys.platform.startswith('win32') and sys.version.startswith('2'),
                      "requires Python 3.x on Windows")
-    def test_unicode_render(self):
+    def test_unicode_extended(self):
         # issue #3777
         text = u"A\u278A\U0001F12B"
+        target = "Tests/images/unicode_extended.png"
+
         ttf = ImageFont.truetype("Tests/fonts/NotoSansSymbols-Regular.ttf",
                                  FONT_SIZE, layout_engine=self.LAYOUT_ENGINE)
         img = Image.new("RGB", (100, 60))
         d = ImageDraw.Draw(img)
         d.text((10, 10), text, font=ttf)
-        self.assert_image_similar_tofile(img, "Tests/images/unicode_extended.png", self.metrics['textsize'])
+
+        self.assert_image_similar_tofile(img, target, self.metrics['textsize'])
 
     def _test_fake_loading_font(self, path_to_fake, fontname):
         # Make a copy of FreeTypeFont so we can patch the original