Update tox.ini

PsiACE · web-flow · commit a56b602142f4 · 2019-09-11T08:23:03.000+08:00
tox-dev/tox#1302
diff --git a/tox.ini b/tox.ini
@@ -16,6 +16,8 @@ commands=
     sphinx-build -b html -d {envtmpdir}/doctrees . {envtmpdir}/html
 
 [testenv]
+# https://github.com/tox-dev/tox/issues/1302
+download = True
 setenv =
     PYTHONPATH = {toxinidir}
 deps =
