Running Sphinx v1.8.1
loading intersphinx inventory from https://docs.python.org/3/objects.inv...
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loading intersphinx inventory from http://pandas.pydata.org/pandas-docs/stable/objects.inv...
[autosummary] generating autosummary for: index.rst, lsst.shapelet/index.rst, py-api/lsst.shapelet.BasisEvaluator.rst, py-api/lsst.shapelet.BasisTypeEnum.rst, py-api/lsst.shapelet.GaussHermiteConvolution.rst, py-api/lsst.shapelet.GaussHermiteProjection.rst, py-api/lsst.shapelet.HermiteIndexGenerator.rst, py-api/lsst.shapelet.HermiteTransformMatrix.rst, py-api/lsst.shapelet.IndexGenerator.rst, py-api/lsst.shapelet.LaguerreIndexGenerator.rst, ..., py-api/lsst.shapelet.RadialProfile.rst, py-api/lsst.shapelet.ShapeletFunction.rst, py-api/lsst.shapelet.ShapeletFunctionEvaluator.rst, py-api/lsst.shapelet.ShapeletFunctionKey.rst, py-api/lsst.shapelet.computeOffset.rst, py-api/lsst.shapelet.computeOrder.rst, py-api/lsst.shapelet.computeSize.rst, py-api/lsst.shapelet.intSqrt.rst, py-api/lsst.shapelet.rationalSqrt.rst, shapelet/index.rst
[automodsumm] lsst.shapelet/index.rst: found 28 automodsumm entries to generate
building [mo]: targets for 0 po files that are out of date
building [html]: targets for 31 source files that are out of date
updating environment: 31 added, 0 changed, 0 removed
reading sources... [  3%] index
reading sources... [  6%] lsst.shapelet/index
reading sources... [  9%] py-api/lsst.shapelet.BasisEvaluator
reading sources... [ 12%] py-api/lsst.shapelet.BasisTypeEnum
reading sources... [ 16%] py-api/lsst.shapelet.GaussHermiteConvolution
reading sources... [ 19%] py-api/lsst.shapelet.GaussHermiteProjection
reading sources... [ 22%] py-api/lsst.shapelet.HermiteIndexGenerator
reading sources... [ 25%] py-api/lsst.shapelet.HermiteTransformMatrix
reading sources... [ 29%] py-api/lsst.shapelet.IndexGenerator
reading sources... [ 32%] py-api/lsst.shapelet.LaguerreIndexGenerator
reading sources... [ 35%] py-api/lsst.shapelet.MatrixBuilderD
reading sources... [ 38%] py-api/lsst.shapelet.MatrixBuilderF
reading sources... [ 41%] py-api/lsst.shapelet.MatrixBuilderFactoryD
reading sources... [ 45%] py-api/lsst.shapelet.MatrixBuilderFactoryF
reading sources... [ 48%] py-api/lsst.shapelet.MatrixBuilderWorkspaceD
reading sources... [ 51%] py-api/lsst.shapelet.MatrixBuilderWorkspaceF
reading sources... [ 54%] py-api/lsst.shapelet.MultiShapeletBasis
reading sources... [ 58%] py-api/lsst.shapelet.MultiShapeletBasisComponent
reading sources... [ 61%] py-api/lsst.shapelet.MultiShapeletFunction
reading sources... [ 64%] py-api/lsst.shapelet.MultiShapeletFunctionEvaluator
reading sources... [ 67%] py-api/lsst.shapelet.MultiShapeletFunctionKey
reading sources... [ 70%] py-api/lsst.shapelet.RadialProfile
reading sources... [ 74%] py-api/lsst.shapelet.ShapeletFunction
reading sources... [ 77%] py-api/lsst.shapelet.ShapeletFunctionEvaluator
reading sources... [ 80%] py-api/lsst.shapelet.ShapeletFunctionKey
reading sources... [ 83%] py-api/lsst.shapelet.computeOffset
reading sources... [ 87%] py-api/lsst.shapelet.computeOrder
reading sources... [ 90%] py-api/lsst.shapelet.computeSize
reading sources... [ 93%] py-api/lsst.shapelet.intSqrt
reading sources... [ 96%] py-api/lsst.shapelet.rationalSqrt
reading sources... [100%] shapelet/index

/Users/gkovacs/devel/pyvenv/lib/python3.6/site-packages/sphinx/application.py:402: RemovedInSphinx20Warning: app.info() is now deprecated. Use sphinx.util.logging instead.
  RemovedInSphinx20Warning)
/Users/gkovacs/devel/shapelet/doc/lsst.shapelet/index.rst:52: WARNING: toctree references unknown document 'py-api/lsst.shapelet.EllipseCore'
/Users/gkovacs/devel/shapelet/doc/lsst.shapelet/index.rst:52: WARNING: toctree references unknown document 'py-api/lsst.shapelet.object'
/Users/gkovacs/devel/shapelet/doc/lsst.shapelet/index.rst:52: WARNING: toctree references unknown document 'py-api/lsst.shapelet.range'
looking for now-outdated files... 
Exception occurred:
  File "/Users/gkovacs/devel/pyvenv/lib/python3.6/site-packages/sphinx/environment/__init__.py", line 611, in get_doctree
    with open(doctree_filename, 'rb') as f:
FileNotFoundError: [Errno 2] No such file or directory: '/Users/gkovacs/devel/shapelet/doc/_build/html/.doctrees/py-api/lsst.shapelet.EllipseCore.doctree'
The full traceback has been saved in /var/folders/8j/6h02nvpn3zv0369t4kgzjqlm0000gn/T/sphinx-err-19lkwlsz.log, if you want to report the issue to the developers.
Please also report this if it was a user error, so that a better error message can be provided next time.
A bug report can be filed in the tracker at <https://github.com/sphinx-doc/sphinx/issues>. Thanks!