Bench update error 25/08/2016

[JoEz]

Hi there, got an error on bench update

frappe@erpnext:~/frappe-bench$ bench update
Traceback (most recent call last):
  File "/usr/local/bin/bench", line 9, in <module>
    load_entry_point('bench', 'console_scripts', 'bench')()
  File "/home/frappe/bench-repo/bench/cli.py", line 40, in cli
    bench_command()
  File "/usr/local/lib/python2.7/dist-packages/click/core.py", line 716, in __call__
    return self.main(*args, **kwargs)
  File "/usr/local/lib/python2.7/dist-packages/click/core.py", line 696, in main
    rv = self.invoke(ctx)
  File "/usr/local/lib/python2.7/dist-packages/click/core.py", line 1057, in invoke
    Command.invoke(self, ctx)
  File "/usr/local/lib/python2.7/dist-packages/click/core.py", line 889, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/usr/local/lib/python2.7/dist-packages/click/core.py", line 534, in invoke
    return callback(*args, **kwargs)
  File "/home/frappe/bench-repo/bench/commands/__init__.py", line 20, in bench_command
    bench.set_frappe_version(bench_path=bench_path)
  File "/home/frappe/bench-repo/bench/__init__.py", line 13, in set_frappe_version
    FRAPPE_VERSION = get_current_frappe_version(bench_path=bench_path)
  File "/home/frappe/bench-repo/bench/app.py", line 173, in get_current_frappe_version
    return get_major_version(get_current_version('frappe', bench_path=bench_path))
  File "/home/frappe/bench-repo/bench/app.py", line 199, in get_current_version
    return get_version_from_string(f.read(), field='version')
  File "/home/frappe/bench-repo/bench/app.py", line 287, in get_version_from_string
    return match.group(2)
AttributeError: 'NoneType' object has no attribute 'group'

Followed suggestion at https://discuss.frappe.io/t/important-error-in-bench-update/13248

But still not working, any hint?

Thx