Minor changes

Author: cangermueller

.travis.yml

@@ -11,4 +11,4 @@ install:
   - pip install -r requirements.txt
 
 script:
-  py.test-2.7 tests
+  py.test tests

docs/source/conf.py

@@ -16,9 +16,6 @@
 import sys
 import os
 
-os.system('pip install numpy')
-os.system('pip install scipy')
-
 # If extensions (or modules to document with autodoc) are in another directory,
 # add these directories to sys.path here. If the directory is relative to the
 # documentation root, use os.path.abspath to make it absolute, like shown here.

requirements.txt

@@ -1,5 +1,5 @@
-numpydoc
-scikit-learn
-pytest
-scipy
-numpy
+scipy>=0.14.0
+numpy>=1.9.0
+scikit-learn>=0.15.2
+numpydoc>=0.5
+pytest>=2.6.1