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Hi Katie,

I'm not 100% an expert on the vagaries of the Python import mechanism, but here are a few thing to check/try:

1) Make sure your ui subfolder has an __init__.py file in it.

2) Try importing the package first, i.e.:

import AmberLipidBundle.ui

from AmberLipidBundle.ui.lipid_form import xxx

3) Use a relative import rather than an absolute import, i.e.:

from .ui.lipid_form import xxx

I've got my fingers crossed that one of those does the trick. :-)

--Eric

Eric Pettersen

UCSF Computer Graphics Lab

On Mar 30, 2022, at 9:31 AM, Zeng, Katie via ChimeraX-users <chimerax-users@cgl.ucsf.edu> wrote:

Hi all,

I am currently working on a membrane builder bundle called AmberLipidBundle. I have folder './src/ui' (containing several .py files, e.g. lipid_form.py) and I import it inside .py files with the line 'from AmberLipidBundle.ui.lipid_form import xxx'.

I have been testing the bundle using the command 'devel build [path]' and everything works fine. But when I switch to the command 'devel install [path]', I get an error:

chimerax.core.toolshed.ToolshedError: start_tool() failed for tool Membrane Builder in bundle AmberLipidBundle:
No module named 'AmberLipidBundle.ui'

Do you have any idea how to fix this? Thank you so much for your help!

Best Regards,

Katie

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