diff --git a/pylot/core/pick/compare.py b/pylot/core/pick/compare.py
new file mode 100644
index 00000000..0f51b97b
--- /dev/null
+++ b/pylot/core/pick/compare.py
@@ -0,0 +1,8 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+from pylot.core.util.pdf import ProbabilityDensityFunction
+from pylot.core.util.version import get_git_version as _getVersionString
+
+__version__ = _getVersionString()
+__author__ = 'sebastianw'