add requirements/dev.txt file

tony · tony · commit 84fd5214b9a5 · 2017-11-09T19:20:37.000-06:00
diff --git a/requirements/dev.txt b/requirements/dev.txt
@@ -0,0 +1,3 @@
+isort==4.2.15
+flake8==3.5.0
+vulture==0.26
