Clean up required versions

.travis.yml

@@ -27,7 +27,7 @@ before_install:
     -  if [[  $TRAVIS_PYTHON_VERSION == 2.7* ]]; then
             travis_retry sudo apt-get install python-scipy python-matplotlib;
             pip install https://github.com/cython/cython/archive/0.19.2.tar.gz;
-            pip install https://github.com/networkx/networkx/archive/networkx-1.6.tar.gz;
+            pip install https://github.com/networkx/networkx/archive/networkx-1.8.tar.gz;
        fi
 
     - travis_retry pip install  -r requirements.txt $WHEELHOUSE;

DEPENDS.txt

@@ -2,7 +2,7 @@ Build Requirements
 ------------------
 * `Python >= 2.6 <http://python.org>`__
 * `Numpy >= 1.6 <http://numpy.scipy.org/>`__
-* `Cython >= 0.19 <http://www.cython.org/>`__
+* `Cython >= 0.19.2 <http://www.cython.org/>`__
 * `Six >=1.3 <https://pypi.python.org/pypi/six>`__
 
 You can use pip to automatically install the base dependencies as follows::
@@ -11,9 +11,9 @@ You can use pip to automatically install the base dependencies as follows::
 
 Runtime requirements
 --------------------
-* `SciPy >= 0.9 <http://scipy.org>`__
-* `Matplotlib >= 1.2 <http://matplotlib.sf.net>`__
-* `NetworkX >= 1.8 <https://networkx.github.io>`__
+* `SciPy <http://scipy.org>`__
+* `Matplotlib <http://matplotlib.sf.net>`__
+* `NetworkX <https://networkx.github.io>`__
 * `Pillow <https://pypi.python.org/pypi/Pillow>`__
    (or `PIL <http://www.pythonware.com/products/pil/>`__)
 

requirements.txt

@@ -3,5 +3,5 @@ matplotlib>=1.1.1
 numpy>=1.6.1
 scipy>=0.9
 six>=1.3
-networkx>=1.6
+networkx>=1.8
 pillow>=1.1.7