Format tox

Author: fsimonis

tox.ini

@@ -2,7 +2,8 @@
 requires =
     tox>=4.27
 env_list =
-    py3,package
+    py3
+    package
 
 [testenv]
 description = run the tests with pytest
@@ -16,7 +17,7 @@ commands =
 [testenv:package]
 description = build package
 package = skip
-wheel_build_env = 
+wheel_build_env =
 deps =
     build
 commands =