Traceback (most recent call last):


 "xxx/.virtualenvs/scan_scraper/lib/python3.8/site-packages/kindlecomicconverter/KCC_gui.py", line 402, in run

comic2ebook.options.covers[outputPath.index(item)][0].saveToKindle(


 "xxx/.virtualenvs/scan_scraper/lib/python3.8/site-packages/kindlecomicconverter/image.py", line 369, in saveToKindle

raise RuntimeError('Failed to upload cover.')
RuntimeError: Failed to upload cover.

Traceback (most recent call last):


 "/Users/username/Tests/ManageIQ_CloudForms/tmp4/venv/lib/python3.5/site-packages/container/cli.py", line 299, in __call__

getattr(core, u'hostcmd_{}'.format(args.subcommand))(**vars(args))


 "/Users/username/Tests/ManageIQ_CloudForms/tmp4/venv/lib/python3.5/site-packages/container/__init__.py", line 28, in __wrapped__

return fn(*args, **kwargs)


 "/Users/username/Tests/ManageIQ_CloudForms/tmp4/venv/lib/python3.5/site-packages/container/core.py", line 181, in hostcmd_build

environment=env_vars


 "/Users/username/Tests/ManageIQ_CloudForms/tmp4/venv/lib/python3.5/site-packages/container/docker/engine.py", line 105, in __wrapped__

return fn(self, *args, **kwargs)


 "/Users/username/Tests/ManageIQ_CloudForms/tmp4/venv/lib/python3.5/site-packages/container/__init__.py", line 28, in __wrapped__

return fn(*args, **kwargs)


 "/Users/username/Tests/ManageIQ_CloudForms/tmp4/venv/lib/python3.5/site-packages/container/docker/engine.py", line 1070, in build_conductor_image

return image.id
AttributeError: 'tuple' object has no attribute 'id'
