Remove pinning of legacy resolver.

jaraco · jaraco · commit ba628654988a · 2021-11-08T08:51:17.000-05:00
diff --git a/tox.ini b/tox.ini
@@ -12,9 +12,6 @@ commands =
 	pytest {posargs}
 usedevelop = True
 extras = testing
-setenv =
-	# workaround pypa/pip#9143
-	PIP_USE_DEPRECATED=legacy-resolver
 
 [testenv:docs]
 extras =
