Traceback (most recent call last):


 "anaconda3/envs/tfenv2/lib/python3.7/site-packages/tensorflow/python/data/ops/iterator_ops.py", line 670, in next

return self._next_internal()


 "anaconda3/envs/tfenv2/lib/python3.7/site-packages/tensorflow/python/data/ops/iterator_ops.py", line 661, in _next_internal

return structure.from_compatible_tensor_list(self._element_spec, ret)


 "anaconda3/envs/tfenv2/lib/python3.7/contextlib.py", line 130, in __exit__

self.gen.throw(type, value, traceback)


 "anaconda3/envs/tfenv2/lib/python3.7/site-packages/tensorflow/python/eager/context.py", line 1989, in execution_mode

executor_new.wait()


 "anaconda3/envs/tfenv2/lib/python3.7/site-packages/tensorflow/python/eager/executor.py", line 67, in wait

pywrap_tfe.TFE_ExecutorWaitForAllPendingNodes(self._handle)
tensorflow.python.framework.errors_impl.OutOfRangeError: End of sequence

Traceback (most recent call last):

 "/usr/local/bin/mkdocs", line 46, in <module>
main(cmd, args=sys.argv[2:], options=dict(opts))

 "/usr/local/bin/mkdocs", line 29, in main
serve(config, options=options)

 "/usr/local/lib/python2.7/site-packages/mkdocs/serve.py", line 81, in serve
build(config, live_server=True)

 "/usr/local/lib/python2.7/site-packages/mkdocs/build.py", line 179, in build
build_pages(config)

 "/usr/local/lib/python2.7/site-packages/mkdocs/build.py", line 149, in build_pages
html_content, table_of_contents, meta = convert_markdown(input_content)

 "/usr/local/lib/python2.7/site-packages/mkdocs/build.py", line 64, in convert_markdown
table_of_contents = toc.TableOfContents(toc_html)

 "/usr/local/lib/python2.7/site-packages/mkdocs/toc.py", line 45, in __init__
self.items = _parse_html_table_of_contents(html)

 "/usr/local/lib/python2.7/site-packages/mkdocs/toc.py", line 98, in _parse_html_table_of_contents
parents.pop()IndexError: pop from empty list