varLib_test: comment why font.close() is needed

2020-05-19 10:57:09 +01:00 · 2020-05-19 10:57:09 +01:00 · cbe84da8c3
commit cbe84da8c3
parent a6612aa6b5
1 changed files with 2 additions and 0 deletions
--- a/Tests/varLib/varLib_test.py
+++ b/Tests/varLib/varLib_test.py
@ -22,6 +22,8 @@ def reload_font(font):
    """(De)serialize to get final binary layout."""
    buf = BytesIO()
    font.save(buf)
+    # Close the font to release filesystem resources so that on Windows the tearDown
+    # method can successfully remove the temporary directory created during setUp.
    font.close()
    buf.seek(0)
    return TTFont(buf)