Use new pip resolver in plugins tox env

Fix #7783
pytest-dev · Sep 23, 2020 · 8215625 · 8215625
1 parent 5cfd7c0
commit 8215625
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/tox.ini b/tox.ini
@@ -116,7 +116,11 @@ commands =
     make regen
 
 [testenv:plugins]
+# use latest versions of all plugins, including pre-releases
 pip_pre=true
+# use latest pip and new dependency resolver (#7783)
+download=true
+install_command=python -m pip --use-feature=2020-resolver install {opts} {packages}
 changedir = testing/plugins_integration
 deps =
     anyio[curio,trio]