diff --git a/Lib/fontTools/subset/__init__.py b/Lib/fontTools/subset/__init__.py
index 496eda92e..8458edc35 100644
--- a/Lib/fontTools/subset/__init__.py
+++ b/Lib/fontTools/subset/__init__.py
@@ -2929,7 +2929,8 @@ def subset_glyphs(self, s):
                     for u, g in l
                     if g in s.glyphs_requested or u in s.unicodes_requested
                 ]
-                for v, l in t.uvsDict.items() if v in s.unicodes_requested
+                for v, l in t.uvsDict.items()
+                if v in s.unicodes_requested
             }
             t.uvsDict = {v: l for v, l in t.uvsDict.items() if l}
         elif t.isUnicode():
diff --git a/Tests/subset/subset_test.py b/Tests/subset/subset_test.py
index c10c21cc8..01a1564ea 100644
--- a/Tests/subset/subset_test.py
+++ b/Tests/subset/subset_test.py
@@ -938,7 +938,6 @@ class SubsetTest:
         subsetfont = TTFont(subsetpath)
         self.expect_ttx(subsetfont, self.getpath("CmapSubsetTest.subset.ttx"), ["cmap"])
 
-
     def test_cmap_format14(self):
         fontpath = self.compile_font(self.getpath("cmap14_font1.ttx"), ".otf")
         subsetpath = self.temp_path(".otf")
@@ -947,17 +946,25 @@ class SubsetTest:
         subsetfont = TTFont(subsetpath)
         self.expect_ttx(subsetfont, self.getpath("cmap14_font1.no_uvs.ttx"), ["cmap"])
 
-        subset.main([fontpath, "--unicodes=4e05,e0100", "--output-file=%s" % subsetpath])
+        subset.main(
+            [fontpath, "--unicodes=4e05,e0100", "--output-file=%s" % subsetpath]
+        )
         subsetfont = TTFont(subsetpath)
         self.expect_ttx(subsetfont, self.getpath("cmap14_font1.uvs.ttx"), ["cmap"])
 
         subset.main([fontpath, "--unicodes=4e10", "--output-file=%s" % subsetpath])
         subsetfont = TTFont(subsetpath)
-        self.expect_ttx(subsetfont, self.getpath("cmap14_font1.no_uvs_non_default.ttx"), ["cmap"])
+        self.expect_ttx(
+            subsetfont, self.getpath("cmap14_font1.no_uvs_non_default.ttx"), ["cmap"]
+        )
 
-        subset.main([fontpath, "--unicodes=4e10,e0100", "--output-file=%s" % subsetpath])
+        subset.main(
+            [fontpath, "--unicodes=4e10,e0100", "--output-file=%s" % subsetpath]
+        )
         subsetfont = TTFont(subsetpath)
-        self.expect_ttx(subsetfont, self.getpath("cmap14_font1.uvs_non_default.ttx"), ["cmap"])
+        self.expect_ttx(
+            subsetfont, self.getpath("cmap14_font1.uvs_non_default.ttx"), ["cmap"]
+        )
 
     @pytest.mark.parametrize("text, n", [("!", 1), ("#", 2)])
     def test_GPOS_PairPos_Format2_useClass0(self, text, n):