Merge pull request #3087 from grembo/master

Only require 'distro' on linux (as it is linux specific)

master/setup.py

@@ -25,11 +25,13 @@
 import glob
 import os
 import pkg_resources
+import platform
 import sys
 from distutils.command.install_data import install_data
 from distutils.command.sdist import sdist
 from distutils.version import LooseVersion
 
+from setuptools import version as setuptools_version
 from setuptools import setup
 
 from buildbot import version
@@ -454,9 +456,14 @@ def define_plugin_entries(groups):
     'txaio ' + txaio_ver,
     'autobahn ' + autobahn_ver,
     'PyJWT',
-    'distro'
 ]
 
+# based on https://discourse.numenta.org/t/setup-py-error-invalid-environment-marker/1298/4
+if LooseVersion(setuptools_version.__version__) >= LooseVersion("20.2.2"):
+    setup_args['install_requires'].append('distro;platform_system==="Linux"')
+elif platform.system() == 'Linux':
+    setup_args['install_requires'].append('distro')
+
 # Unit test dependencies.
 test_deps = [
     # http client libraries