Disable the thunderbird appModule during the installation without having to fully disable the Mozilla addon. #3
Description
You could change line 23 of installTasks.py
addon.enable(False)
for this other:
os.rename(os.path.join(addon.path, "appModules", "thunderbird.py"), os.path.join(addon.path, "appModules", "thunderbird.py.disabled"))
This way you would disable the thunhderbird appModule without having to disable the whole Mozilla addon.