Incompatible with sphinx 'make latexpdf' output

[jpsenior]

There is some sort of doctree node failure in the rendered latex pdf output when I am outputting new nodes, causing latexpdf failures:

! LaTeX Error: \caption outside float.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
                                                  
l.638 \caption
              {Code None}
? X