disable tests broken on old system versions of numpy/scipy

Tests/test_numpy.py

@@ -135,7 +135,12 @@ class TestNumpy(PillowTestCase):
         img = Image.fromarray(arr * 255).convert('1')
         self.assertEqual(img.mode, '1')
         arr_back = numpy.array(img)
-        numpy.testing.assert_array_equal(arr, arr_back)
+        # numpy 1.8 and earlier return this as a boolean. (trusty/precise)
+        if arr_back.dtype == numpy.bool:
+            arr_bool = numpy.array([[1, 0, 0, 1, 0], [0, 1, 0, 0, 0]], 'bool')
+            numpy.testing.assert_array_equal(arr_bool, arr_back)
+        else:
+            numpy.testing.assert_array_equal(arr, arr_back)
 
     def test_save_tiff_uint16(self):
         # Tests that we're getting the pixel value in the right byte order.

Tests/test_scipy.py

@@ -1,10 +1,11 @@
 from helper import unittest, PillowTestCase
-
+from distutils.version import StrictVersion
 try:
     import numpy as np
     from numpy.testing import assert_equal
 
     from scipy import misc
+    import scipy
     HAS_SCIPY = True
 except ImportError:
     HAS_SCIPY = False
@@ -27,6 +28,11 @@ class Test_scipy_resize(PillowTestCase):
             im1 = misc.imresize(im, T(1.101))
             self.assertEqual(im1.shape, (11, 22))
 
+    # this test fails prior to scipy 0.14.0b1
+    # https://github.com/scipy/scipy/commit/855ff1fff805fb91840cf36b7082d18565fc8352
+    @unittest.skipIf(HAS_SCIPY and
+					 (StrictVersion(scipy.__version__) < StrictVersion('0.14.0')),
+                     "Test fails on scipy < 0.14.0")
     def test_imresize4(self):
         im = np.array([[1, 2],
                        [3, 4]])