add missing chainer interreference
@@ -324,6 +324,7 @@ intersphinx_mapping = {
'python': ('https://docs.python.org/3/', None),
'numpy': ('http://docs.scipy.org/doc/numpy/', None),
'scipy': ('http://docs.scipy.org/doc/scipy/reference/', None),
+ 'chainer': ('https://docs.chainer.org/en/latest/', None),
}
doctest_global_setup = '''
