[MRG] Appveyor version upgrade (scikit-learn#11425)

- run windows tests with the latest version of Python (namely 3.7) - run windows tests with the latest versions of numpy and scipy as published on PyPI.

Author: ogrisel

appveyor.yml

@@ -17,20 +17,20 @@ environment:
  SKLEARN_SKIP_NETWORK_TESTS: 1
 
  matrix:
- - PYTHON: "C:\\Python27"
- PYTHON_VERSION: "2.7.8"
+ - PYTHON: "C:\\Python37"
+ PYTHON_VERSION: "3.7.0"
  PYTHON_ARCH: "32"
 
- - PYTHON: "C:\\Python27-x64"
- PYTHON_VERSION: "2.7.8"
+ - PYTHON: "C:\\Python37-x64"
+ PYTHON_VERSION: "3.7.0"
  PYTHON_ARCH: "64"
 
- - PYTHON: "C:\\Python36"
- PYTHON_VERSION: "3.6.1"
+ - PYTHON: "C:\\Python27"
+ PYTHON_VERSION: "2.7.8"
  PYTHON_ARCH: "32"
 
- - PYTHON: "C:\\Python36-x64"
- PYTHON_VERSION: "3.6.1"
+ - PYTHON: "C:\\Python27-x64"
+ PYTHON_VERSION: "2.7.8"
  PYTHON_ARCH: "64"
 
 

build_tools/appveyor/requirements.txt

@@ -1,15 +1,7 @@
-# Fetch numpy and scipy wheels from the sklearn rackspace wheelhouse.
-# Those wheels were collected from https://www.lfd.uci.edu/~gohlke/pythonlibs/
-# This is a temporary solution. As soon as numpy and scipy provide official
-# wheel for windows we ca delete this --find-links line.
---find-links http://28daf2247a33ed269873-7b1aad3fab3cc330e1fd9d109892382a.r6.cf2.rackcdn.com/
-
-# fix the versions of numpy to force the use of numpy and scipy to use the whl
-# of the rackspace folder instead of trying to install from more recent
-# source tarball published on PyPI
-numpy==1.13.0
-scipy==0.19.0
-cython
+numpy
+scipy
+# Pin Cython to avoid bug with 0.28.x on Python 3.7 
+cython==0.27.3
 pytest
 wheel
 wheelhouse_uploader