Add a mkvenv-pypi-old environment

Fixes #4038
See #3662

1 files changed, 13 insertions, 0 deletions

diff --git a/tox.ini b/tox.ini
index 21baa7be5..02f3ae729 100644
--- a/tox.ini
+++ b/tox.ini
@@ -62,6 +62,19 @@ deps =
     -r{toxinidir}/requirements.txt
     -r{toxinidir}/misc/requirements/requirements-pyqt.txt
 
+# Older PyQt for Python 3.5
+# 5.11.2: https://www.riverbankcomputing.com/pipermail/pyqt/2018-July/040511.html
+# 5.10.1: https://github.com/qutebrowser/qutebrowser/issues/3662
+[testenv:mkvenv-pypi-old]
+basepython = {env:PYTHON:python3.5}
+envdir = {toxinidir}/.venv
+commands = {envpython} -c ""
+usedevelop = true
+deps =
+    -r{toxinidir}/requirements.txt
+    PyQt5==5.10
+    sip==4.19.8
+
 [testenv:misc]
 ignore_errors = true
 basepython = {env:PYTHON:python3}