Fix tox envlist: remove hyphens

Author: blueyed

tox.ini

@@ -1,10 +1,10 @@
 [tox]
 envlist =
-    - py{35,36}-dj{21,20,111,110,19,18}-postgres
-    - py34-dj{20,111,110}-postgres
-    - py27-dj{111,110}-{mysql_innodb,mysql_myisam,postgres}
-    - py27-dj{111,110,19,18}-postgres
-    - py{36,py27}-checkqa
+    py{35,36}-dj{21,20,111,110,19,18}-postgres
+    py34-dj{20,111,110}-postgres
+    py27-dj{111,110}-{mysql_innodb,mysql_myisam,postgres}
+    py27-dj{111,110,19,18}-postgres
+    py{36,py27}-checkqa
 
 [testenv]
 deps =