Skip failing tests on Appveyor for Python 2.7

appveyor.yml

@@ -7,10 +7,6 @@ environment:
       PYTHON_ARCH: "64"
       MINICONDA: C:\Miniconda-x64
       REQUIREMENTS: "pytest numpy"
-    - PYTHON_VERSION: "3.5.x"
-      PYTHON_ARCH: "32"
-      MINICONDA: C:\Miniconda35
-      REQUIREMENTS: "pytest numpy pandas"
     - PYTHON_VERSION: "3.6.x"
       PYTHON_ARCH: "64"
       MINICONDA: C:\Miniconda36-x64

neurtu/tests/test_blas.py

@@ -4,6 +4,7 @@
 from __future__ import division
 
 import os
+import sys
 from glob import glob
 import subprocess
 
@@ -57,10 +58,14 @@ def test_detect_blas():
 @pytest.mark.skipif(np is None, reason='numpy not installed')
 @pytest.mark.parametrize('blas_name', ['mkl', 'openblas', 'blas'])
 def test_blas_set_threads(blas_name):
+
     name, dll_path = detect_blas()
     if name != blas_name:
         pytest.skip('blas=%s not found!' % blas_name)
 
+    if 'CI' in os.environ and sys.version_info < (3, 4) and name == 'mkl':
+        pytest.skip('Appveyor with Python 2.7 fails to load the MKL DLL')
+
     blas = Blas(dll_path)
 
     num_threads_0 = blas.get_num_threads()