Downgrade scipy/numpy requirements. Fix #1450 (#1470)

* downgrade scipy to 0.14.0

* fix version in travis

* up scipy to 0.16 (because we have no wheels for lower versions)

* min version for 3.6

* show packages before tests

.travis.yml

@@ -12,11 +12,12 @@ before_install:
   - export PATH=/home/travis/miniconda2/bin:$PATH
   - conda update --yes conda
 install:
-  - conda create --yes -n gensim-test python=$TRAVIS_PYTHON_VERSION pip atlas numpy scipy
+  - conda create --yes -n gensim-test python=$TRAVIS_PYTHON_VERSION pip atlas numpy==1.11.3 scipy==0.18.1
   - source activate gensim-test
   - python setup.py install
   - pip install .[test]
 script:
+  - pip freeze
   - python setup.py test
   - pip install flake8
   - continuous_integration/travis/flake8_diff.sh

appveyor.yml

@@ -67,7 +67,7 @@ test_script:
   - "mkdir empty_folder"
   - "cd empty_folder"
   - "pip install pyemd testfixtures unittest2 sklearn Morfessor==2.0.2a4"
-
+  - "pip freeze"
   - "python -c \"import nose; nose.main()\" -s -v gensim"
   # Move back to the project folder
   - "cd .."

continuous_integration/appveyor/requirements.txt

@@ -8,7 +8,7 @@
 # of the rackspace folder instead of trying to install from more recent
 # source tarball published on PyPI
 numpy==1.11.3
-scipy==0.19.0
+scipy==0.18.1
 cython
 six >= 1.5.0
 smart_open >= 1.2.1

setup.py

@@ -229,7 +229,7 @@ def finalize_options(self):
 test_env = [
     'testfixtures',
     'unittest2',
-    'Morfessor==2.0.2a4',
+    'Morfessor == 2.0.2a4',
     'scikit-learn',
     'pyemd',
     'annoy',
@@ -289,7 +289,7 @@ def finalize_options(self):
     ],
     install_requires=[
         'numpy >= 1.11.3',
-        'scipy >= 0.19.0',
+        'scipy >= 0.18.1',
         'six >= 1.5.0',
         'smart_open >= 1.2.1',
     ],