drop python3.3 support (pyflakes has dropped support)

Daniel Grossmann-Kavanagh · Daniel Grossmann-Kavanagh · commit f8cf66c4499e · 2018-06-04T21:28:11.000-07:00
diff --git a/tox.ini b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = {py27,py33,py34,py35,py36}-{default,simplejson}
+envlist = {py27,py34,py35,py36}-{default,simplejson}
 
 [testenv]
 deps =
