--- a/setup.py	Sat May 19 00:06:38 2018 +0200
+++ b/setup.py	Sat May 19 00:07:15 2018 +0200
@@ -44,7 +44,9 @@
       version='0.1.0',
       install_requires=[
           'pyserial', 'numpy', 'PyQt5', 'pyqtgraph'],
-
+      extras_require={
+          'test': ['pytest'],
+      },
       entry_points={
           'console_scripts': [
               'pygpib-detect=pygpibtoolkit.detect:main',