[adrianf]

I use calibre on OS X 10.9.4 and marvin on an iPad2
I have just upgraded to calibre 2.3 and I upgraded also the necessary plugins.
The ios reader applications plugin does not function anymore and produces the following import error:
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calibre, version 2.3.0
ERROR: Unhandled exception: <b>ImportError</b>:cannot import name ConfigWidget

calibre 2.3 isfrozen: True is64bit: True
Darwin-13.3.0-x86_64-i386-64bit Darwin ('64bit', '')
('Darwin', '13.3.0', 'Darwin Kernel Version 13.3.0: Tue Jun 3 21:27:35 PDT 2014; root:xnu-2422.110.17~1/RELEASE_X86_64')
Python 2.7.8
OSX: ('10.9.4', ('', '', ''), 'x86_64')
Successfully initialized third party plugins: DeDRM && Kindle Collections && KindleUnpack - The Plugin && Marvin XD && iOS reader applications && EpubSplit
Traceback (most recent call last):
File "site-packages/calibre/gui2/preferences/plugins.py", line 289, in double_clicked
File "site-packages/calibre/gui2/preferences/plugins.py", line 370, in modify_plugin
File "site-packages/calibre/customize/__init__.py", line 152, in do_user_config
File "calibre_plugins.ios_reader_apps.__init__", line 493, in config_widget
ImportError: cannot import name ConfigWidget

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