0.6.0: AttributeError: 'Fast5File' object has no attribute 'read_metadata'

[mmokrejs]

$ poretools metadata foo_26553_ch307_read1591_strand.fast5
asic_id	asic_temp	heatsink_temp
151059866	30.9320774	34.2539063
$ poretools metadata --read foo_26553_ch307_read1591_strand.fast5
Traceback (most recent call last):
  File "/apps/gentoo/usr/lib/python-exec/python2.7/poretools", line 11, in <module>
    load_entry_point('poretools==0.6.0', 'console_scripts', 'poretools')()
  File "/apps/gentoo/usr/lib64/python2.7/site-packages/poretools/poretools_main.py", line 533, in main
    args.func(parser, args)
  File "/apps/gentoo/usr/lib64/python2.7/site-packages/poretools/poretools_main.py", line 55, in run_subtool
    submodule.run(parser, args)
  File "/apps/gentoo/usr/lib64/python2.7/site-packages/poretools/metadata.py", line 7, in run
    for metadata_dict in fast5.read_metadata:
AttributeError: 'Fast5File' object has no attribute 'read_metadata'
$