Trying solution from pytest-dev/pytest/issues/4770 to fix build issue…

…s on appveyor.
craiga · Oct 23, 2019 · ce26815 · ce26815
1 parent ce17f85
commit ce26815
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/tox.ini b/tox.ini
@@ -5,6 +5,7 @@ envlist = {py27,py34,py35,py36,pypy}-{pt3,pt4},flake8
 [testenv]
 deps =
   coverage
+  pip >= 19
   pt3: pytest>=3,<4
   pt4: pytest>=4,<5
 commands = coverage run -p -m pytest tests/ {posargs}