[Lint] Update pre-commit linter versions

- Default to python3.
- Needed to add six to isort config.

1 files changed, 1 insertions, 1 deletions

diff --git a/setup.cfg b/setup.cfg
index 2cbd5785a..47c869f81 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -26,7 +26,7 @@ known_third_party =
     cairo, gi,
 # Ignore other module dependencies for pre-commit isort.
     twisted, OpenSSL, pytest, recommonmark, chardet, pkg_resources, zope, mock,
-    sphinx, rencode
+    sphinx, rencode, six
 known_first_party = msgfmt, deluge
 order_by_type = true
 not_skip = __init__.py