MAINT: Add tox coverage on py37.

Scott Sanderson · Scott Sanderson · commit 088ee14c1585 · 2018-09-04T23:53:20.000-04:00
diff --git a/py37-coverage.ini b/py37-coverage.ini
@@ -0,0 +1,4 @@
+[report]
+exclude_lines =
+    pragma: nocover
+    pragma: nocover-py3
diff --git a/tox.ini b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist=py{27,34,35,36}
+envlist=py{27,34,35,36,37}
 skip_missing_interpreters=true
 
 [pep8]
