From 564f9ba9df3c6837b102f370ad32a65c233c209f Mon Sep 17 00:00:00 2001
From: Dan Meliza <dan@meliza.org>
Date: Mon, 2 Oct 2017 12:15:36 -0400
Subject: defer numpy import to allow install_requires to do its job (fixes
 #24)

---
 setup.py | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/setup.py b/setup.py
index b53304b..76a27e4 100644
--- a/setup.py
+++ b/setup.py
@@ -12,7 +12,6 @@ Distributed under the BSD License
 from setuptools import setup, find_packages
 from distutils.extension import Extension
 import os.path
-import numpy
 
 try:
     from Cython.Distutils import build_ext
@@ -21,6 +20,14 @@ except ImportError:
 else:
     use_cython = True
 
+
+class numpy_include(object):
+    """Defers import of numpy until install_requires is through"""
+    def __str__(self):
+        import numpy
+        return numpy.get_include()
+
+
 if os.path.isfile("pyspike/cython/cython_add.c") and \
    os.path.isfile("pyspike/cython/cython_profiles.c") and \
    os.path.isfile("pyspike/cython/cython_distances.c"):
@@ -58,7 +65,7 @@ setup(
     version='0.5.1',
     cmdclass=cmdclass,
     ext_modules=ext_modules,
-    include_dirs=[numpy.get_include()],
+    include_dirs=[numpy_include()],
     description='A Python library for the numerical analysis of spike\
 train similarity',
     author='Mario Mulansky',
-- 
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