--- a/black.toml	Mon Oct 14 12:46:32 2019 -0400
+++ b/black.toml	Mon Oct 14 12:52:33 2019 -0400
@@ -1,3 +1,5 @@
 [tool.black]
 line-length = 80
 exclude = 'build/|wheelhouse/|dist/|packages/|\.hg/|\.mypy_cache/|\.venv/|mercurial/thirdparty/|hgext/fsmonitor/pywatchman/|contrib/python-zstandard/'
+skip-string-normalization = true
+quiet = true