Cleanup tox.ini a bit

tox.ini

@@ -1,7 +1,7 @@
 [tox]
 isolated_build = True
 envlist =
-  check,py{37,38,39},coverage
+  format-check,lint,py{37,38,39},coverage
 
 [testenv]
 setenv =
@@ -10,10 +10,17 @@ setenv =
 commands =
   pytest {posargs}
 
-[testenv:check]
-platform = linux2|darwin
+[testenv:format]
+commands =
+  black -l 127 ./mcstatus
+
+[testenv:format-check]
 commands =
   black --check -l 127 ./mcstatus
+
+[testenv:lint]
+platform = linux|darwin
+commands =
   pytype ./mcstatus
 
 [testenv:coverage]
@@ -25,7 +32,3 @@ commands =
   coverage combine
   coverage report --show-missing --fail-under=80
 
-[testenv:format]
-depends = py39
-commands =
-  black -l 127 ./mcstatus