add tzdata to tox dependencies

GH actions on windows seem to lack this package, see if adding
it fixes things.

Change-Id: I9b830c583bbf541d965d6e76e08b68a88f645c54

diff --git a/tox.ini b/tox.ini
index ef6a8ddd8b7baafffd3f354a48658d4fcb1f583b..1c1d942875f37a760109790440752cf91f05d122 100644 (file)
--- a/tox.ini
+++ b/tox.ini
@@ -23,6 +23,7 @@ deps=pytest>4.6
      sqlalchemy: sqlalchemy>=1.3.0
      mako
      backports.zoneinfo;python_version<"3.9"
+     tzdata
      zimports
      black==23.3.0
      greenlet>=1