commit 898d66c7eeabddf5d17bb899c8beebe5aad2c4ee
Author: Oscar Benjamin <oscar.j.benjamin@gmail.com>
Date:   Thu Jan 3 17:15:04 2019 +0000

    Inline np.allclose to remove dependency on numpy

Index: pytest-doctestplus-0.4.0/pytest_doctestplus/output_checker.py
===================================================================
--- pytest-doctestplus-0.4.0.orig/pytest_doctestplus/output_checker.py
+++ pytest-doctestplus-0.4.0/pytest_doctestplus/output_checker.py
@@ -6,8 +6,7 @@ normalizations of Python expression outp
 
 import doctest
 import re
-
-import numpy as np
+import math
 
 import six
 from six.moves import zip
@@ -125,8 +124,10 @@ class OutputChecker(doctest.OutputChecke
                 else:
                     nw_.append(nw)
 
-                if not np.allclose(float(ng), float(nw), rtol=self.rtol,
-                                   atol=self.atol, equal_nan=True):
+                ng = float(ng)
+                nw = float(nw)
+                if not (abs(ng - nw) <= self.atol + self.rtol * abs(nw)
+                        or (math.isnan(ng) and math.isnan(nw))):
                     return False
 
             # replace all floats in the "got" string by those from "wanted".
Index: pytest-doctestplus-0.4.0/setup.py
===================================================================
--- pytest-doctestplus-0.4.0.orig/setup.py
+++ pytest-doctestplus-0.4.0/setup.py
@@ -40,7 +40,7 @@ setup(
         'Topic :: Utilities',
     ],
     keywords=['doctest', 'rst', 'pytest', 'py.test'],
-    install_requires=['six', 'pytest>=3.0', 'numpy>=1.10'],
+    install_requires=['six', 'pytest>=3.0'],
     python_requires='>=2.7',
     entry_points={
         'pytest11': [