Build a wheel once, for all test environments (#308)

kurtmckee · web-flow · commit e84ded18e61e · 2024-07-02T08:36:37.000-04:00
diff --git a/tox.ini b/tox.ini
@@ -9,6 +9,8 @@ envlist =
 isolated_build = True
 
 [testenv]
+package = wheel
+wheel_build_env = build_wheel
 deps =
     pytest
     pytest-cov
