Adding version requirement for matplotlib in setup.

Reviewed in https://codereview.appspot.com/101910043/

distmesh/__init__.py

@@ -13,7 +13,7 @@
 #  see <http://www.gnu.org/licenses/>.
 #-----------------------------------------------------------------------------
 
-__version__ = '1.1'
+__version__ = '1.2'
 
 #-----------------------------------------------------------------------------
 # Imports

setup.py

@@ -16,6 +16,8 @@
 import numpy as np
 
 from distutils.core import setup
+from distutils.extension import Extension
+
 
 # Read version from distmesh/__init__.py
 with open(os.path.join('distmesh', '__init__.py')) as f:
@@ -24,8 +26,8 @@
         line = f.readline()
 exec(line, globals())
 
+
 # Build list of cython extensions
-from distutils.extension import Extension
 ext_modules = [
     Extension(
         'distmesh._distance_functions',
@@ -38,6 +40,10 @@
 # distmesh._distance_functions needs LAPACK
 ext_modules[0].libraries.append('lapack')
 
+install_requires = [
+    'matplotlib>=1.2',
+]
+
 long_description = open('README.rst').read()
 
 setup(name='PyDistMesh',
@@ -54,6 +60,7 @@
       author='Bradley Froehle',
       author_email='brad.froehle@gmail.com',
       url='https://github.com/bfroehle/pydistmesh',
+      install_requires=install_requires,
       license='GPL',
       packages=['distmesh'],
       ext_modules=ext_modules,