Traceback (most recent call last):


 "<stdin>", line 1, in <module>
AttributeError: module 'arrow' has no attribute 'FORMAT_RFC3339'

Traceback (most recent call last):


 "/usr/local/bin/beet", line 9, in <module>

load_entry_point('beets==1.4.1', 'console_scripts', 'beet')()


 "/usr/local/lib/python2.7/dist-packages/beets/ui/__init__.py", line 1209, in main

_raw_main(args)


 "/usr/local/lib/python2.7/dist-packages/beets/ui/__init__.py", line 1196, in _raw_main

subcommand.func(lib, suboptions, subargs)


 "/usr/local/lib/python2.7/dist-packages/beets/ui/commands.py", line 969, in import_func

import_files(lib, paths, query)


 "/usr/local/lib/python2.7/dist-packages/beets/ui/commands.py", line 946, in import_files

session.run()


 "/usr/local/lib/python2.7/dist-packages/beets/importer.py", line 320, in run

pl.run_parallel(QUEUE_SIZE)


 "/usr/local/lib/python2.7/dist-packages/beets/util/pipeline.py", line 445, in run_parallel

six.reraise(exc_info[0], exc_info[1], exc_info[2])


 "/usr/local/lib/python2.7/dist-packages/beets/util/pipeline.py", line 312, in run

out = self.coro.send(msg)


 "/usr/local/lib/python2.7/dist-packages/beets/util/pipeline.py", line 194, in coro

func(*(args + (task,)))


 "/usr/local/lib/python2.7/dist-packages/beets/importer.py", line 1395, in plugin_stage

func(session, task)


 "/usr/local/lib/python2.7/dist-packages/beets/plugins.py", line 124, in wrapper

return func(*args, **kwargs)


 "/usr/local/lib/python2.7/dist-packages/beetsplug/fetchart.py", line 794, in fetch_art

candidate = self.art_for_album(task.album, task.paths, local)


 "/usr/local/lib/python2.7/dist-packages/beetsplug/fetchart.py", line 865, in art_for_album

source.fetch_image(candidate, extra)


 "/usr/local/lib/python2.7/dist-packages/beetsplug/fetchart.py", line 233, in fetch_image

message=u'downloading image')) as resp:


 "/usr/local/lib/python2.7/dist-packages/beetsplug/fetchart.py", line 191, in request

return _logged_get(self._log, *args, **kwargs)


 "/usr/local/lib/python2.7/dist-packages/beetsplug/fetchart.py", line 176, in _logged_get

prepped = s.prepare_request(req)
AttributeError: 'Session' object has no attribute 'prepare_request'
