Coding style.

- Converted to f-strings.

tests/golden.py

@@ -15,7 +15,7 @@ def _accept_actual(failed):
     for actual_str, golden_path in failed:
         with open(golden_path, "wb") as golden_file:
             golden_file.write(actual_str)
-        print("Wrote golden file: %s" % golden_path)
+        print("Wrote golden file:", golden_path)
 
 
 def _show_differences(failed):
@@ -52,12 +52,12 @@ def assertGolden(actual, golden_path):
         _FAILED.add((actual, golden_path))
         if expected is None:
             raise unittest.TestCase.failureException(
-                'The golden file does not exist: %r\nUse "--diff" or'
-                ' "--accept" to create the golden file.' % golden_path)
+                f'The golden file does not exist: {golden_path!r}\n'
+                'Use "--diff" or "--accept" to create the golden file.')
         else:
             raise unittest.TestCase.failureException(
-                'Output does not match golden file: %r\nUse "--diff" or'
-                ' "--accept" to update the golden file.' % golden_path)
+                f'Output does not match golden file: {golden_path!r}\n'
+                'Use "--diff" or "--accept" to update the golden file.')
 
 
 def main():

tests/lscolors_test.py

@@ -258,7 +258,7 @@ def test_against_ls(root_path, environment):
         if os.path.exists(path):  # Some paths are already gone. e.g. in /proc
             color_code = lscolors.color_code_for_path(path, color_codes)
             if color_code != ls_color_code:
-                print("%s %r %r" % (path, color_code, ls_color_code))
+                print(path, repr(color_code), repr(ls_color_code))
 
 
 RICH_COLOR_CODES = (