Add limitation to only install with python3 or up

1 files changed, 4 insertions, 0 deletions

diff --git a/setup.py b/setup.py
index 3035917..c7971e5 100644
--- a/setup.py
+++ b/setup.py
@@ -1,5 +1,9 @@
+import sys
 from setuptools import setup, find_packages
 
+if sys.version_info.major < 3:
+    raise RuntimeError('Installing requires Python 3 or newer')
+
 setup(
     name="prometheus-pgbouncer-exporter",
     packages=find_packages(),