diff --git devel/py-period/files/patch-setup.py devel/py-period/files/patch-setup.py
new file mode 100644
index 000000000000..6bf5185fe182
--- /dev/null
+++ devel/py-period/files/patch-setup.py
@@ -0,0 +1,34 @@
+--- setup.py.orig	2015-03-27 14:08:24 UTC
++++ setup.py
+@@ -4,7 +4,7 @@
+ import os
+ import uuid
+ 
+-from pip.req import parse_requirements
++from pkg_resources import parse_requirements
+ from setuptools import find_packages
+ from setuptools import setup
+ from setuptools.command.build_py import build_py
+@@ -63,10 +63,10 @@ class my_build_py(build_py):
+         # distutils uses old-style classes, so no super()
+         build_py.run(self)
+ 
+-test_reqs_gen = parse_requirements("test-requirements.txt",
+-                                  session=uuid.uuid1())
+-reqs_gen = parse_requirements("requirements.txt",
+-                              session=uuid.uuid1())
++with open("test-requirements.txt") as f:
++    test_reqs = [str(req) for req in parse_requirements(f.read())]
++with open("requirements.txt") as f:
++    reqs = [str(req) for req in parse_requirements(f.read())]
+ 
+ 
+ setup(name='period',
+@@ -93,5 +93,5 @@ setup(name='period',
+       include_package_data=True,
+       zip_safe=False,
+       test_suite='nose.collector',
+-      tests_require=[str(ir.req) for ir in test_reqs_gen],
+-      install_requires=[str(ir.req) for ir in reqs_gen], )
++      tests_require=test_reqs,
++      install_requires=reqs)