Add dataclasses as a regendoc dependency

nicoddemus · nicoddemus · commit 5a8e674e9279 · 2019-01-05T16:38:59.000-02:00
diff --git a/tox.ini b/tox.ini
@@ -148,6 +148,7 @@ deps =
     sphinx
     PyYAML
     regendoc>=0.6.1
+    dataclasses
 whitelist_externals =
     rm
     make
