Update dependencies for pep8: to hacking v6

Updates hacking to latest, 6.0.0. Updates other deps to permit
coinstallability. No code changes needed.

Change-Id: Ib0b277e3c6b318cc0a24b5532dedd925fbe1ffc6

1 files changed, 2 insertions, 2 deletions

diff --git a/tox.ini b/tox.ini
index ff1bf62..b011fb5 100644
--- a/tox.ini
+++ b/tox.ini
@@ -26,10 +26,10 @@ commands = sphinx-build -a -E -W -d releasenotes/build/doctrees -b html releasen
 
 [testenv:pep8]
 deps =
-    hacking>=3.1.0,<4.0.0 # Apache-2.0
+    hacking~=6.0.0 # Apache-2.0
     doc8>=0.6.0 # Apache-2.0
     flake8-import-order>=0.17.1 # LGPLv3
-    pycodestyle>=2.0.0,<2.7.0 # MIT
+    pycodestyle>=2.0.0,<3.0.0 # MIT
     Pygments>=2.2.0 # BSD
 commands =
     flake8 {posargs}