casa-mp-base

diff --git a/setup.py b/setup.py

index 06ff250..06b66b3 100644

--- a/setup.py

+++ b/setup.py

@@ -57,6 +57,10 @@ tests_require = [

 if sys.version_info.major < 3:

     tests_require.append('mock')

+# Only install setup_requires for the specific command being used

+SETUP_REQUIRES = []

+if 'test' in sys.argv:

+    SETUP_REQUIRES.append('pytest-runner')

 # Call setup()

 setup(

@@ -76,9 +80,7 @@ setup(

     namespace_packages=['ligo'],

     packages=find_packages(),

     install_requires=['future', 'six'],

-    setup_requires=[

-        'pytest-runner',

-    ],

+    setup_requires=SETUP_REQUIRES,

     tests_require=tests_require,

     package_data={

         'ligo.gracedb.test': [