Switch to pydot 1.2.x
Development of `pydot` has now converged [here](https://github.com/erocarrera/pydot), with version 1.2.0 providing the missing Python 3 support. The old `pydot` and `pydot-ng` are no longer maintained.
@@ -13,7 +13,7 @@ setup(name='Keras',
install_requires=['theano', 'pyyaml', 'six'],
extras_require={
'h5py': ['h5py'],
- 'visualize': ['pydot-ng'],
+ 'visualize': ['pydot>=1.2.0'],
'tests': ['pytest',
'pytest-pep8',
'pytest-xdist',
