Fix whitespace

Author: tomasr8

Lib/test/test_pathlib/test_read.py

@@ -329,9 +329,9 @@ def test_info_is_symlink(self):
         self.assertFalse((p / 'fileA\udfff').info.is_symlink())
         self.assertFalse((p / 'fileA\x00').info.is_symlink())
 
-    def test_invalid_mode(self): 
+    def test_invalid_mode(self):
         p = self.root / 'fileA'
-        with self.assertRaisesRegex(ValueError, 'invalid mode'): 
+        with self.assertRaisesRegex(ValueError, 'invalid mode'):
             vfsopen(p, 'q')