Okay, thank you Nicolas. I will let you know if I find something out. Best, Johannes Am Sa., 16. Mai 2020 um 19:06 Uhr schrieb Nicolas Goaziou < mail@nicolasgoaziou.fr>: > Hello, > > Johannes Wasmer writes: > > > I have a very simple test.org file with the content: > > > > #+begin_src python > > return 2+2 > > #+end_src > > > > #+RESULTS: > > : 4 > > > > When I export this to PDF via ~C-e l p~, I get the PDF with both the > > code and the output. > > But when I export to HTML via ~C-e h h~, I get no file. > > FWIW, I cannot reproduce it. > > > In the *Messages* buffer, I find the following error message: > > org-babel-exp process python at position 3... > > Can’t guess python-indent-offset, using defaults: 4 > > pythonic-python-readable-file-name: Wrong type argument: stringp, nil > > > > Note: python code evaluation works fine (also with :exports both). Only > > the HTML export does not work. > > So this bug is very specific to babel python HTML export. > > The Python version used is 3.7.4. > > Thank you for any pointers on how to resolve this. > > It may be specific to the package providing > `pythonic-python-readable-file-name' instead. I suggest to look there. > > Regards, > > -- > Nicolas Goaziou >