*** error: file has a mako construction ${0:.1f}'
    but seemingly no definition in <%...%>'
    (it is not a command-line given mako variable either).
    However, if this is a variable in a Makefile or Bash script
    run with --no_mako - and you cannot use mako and Makefile or Bash variables
    in the same document!

*** error: file has a mako construction ${0:.1f}'
    but seemingly no definition in <%...%>'
    (it is not a command-line given mako variable either).
    However, if this is a variable in a Makefile or Bash script
    run with --no_mako - and you cannot use mako and Makefile or Bash variables
    in the same document!

avoided abortion because of --no-abort
Translating doconce text in chapter10.do.txt to ipynb
Failed to remove ans_at_end environment
Failed to remove sol_at_end environment
output in chapter10.ipynb