Add lower bound on setuptools

Partial #320

1 files changed, 1 insertions, 0 deletions

diff --git a/setup.py b/setup.py
index 5a40d9b..0bb9d2e 100644
--- a/setup.py
+++ b/setup.py
@@ -20,6 +20,7 @@ requires = [
     "pyflakes >= 1.5.0, < 1.6.0",
     "pycodestyle >= 2.0.0, < 2.4.0",
     "mccabe >= 0.6.0, < 0.7.0",
+    "setuptools >= 30",
 ]
 
 if sys.version_info < (3, 4):