Skip -r requirements

setup.py

@@ -6,7 +6,8 @@ from setuptools import setup
 
 def get_requirements(filename):
     with open(filename, 'r') as f:
-        return [str(r) for r in pkg_resources.parse_requirements(f)]
+        return [str(r) for r in pkg_resources.parse_requirements(
+            line for line in f if not line.startswith('-r'))]
 
 
 setup_requires = ['setuptools >= 30.3.0']