Traceback (most recent call last):


 "/Users/crusaderky/miniconda3/envs/pint/lib/python3.6/site-packages/IPython/core/interactiveshell.py", line 3326, in run_code

exec(code_obj, self.user_global_ns, self.user_ns)


 "<ipython-input-20-36473b74231e>", line 1, in <module>

pint.Quantity([1,2], "m").plus_minus(.5)


 "/Users/crusaderky/PycharmProjects/pint/pint/quantity.py", line 1718, in plus_minus

return self._REGISTRY.Measurement(copy.copy(self.magnitude), error, self._units)


 "/Users/crusaderky/PycharmProjects/pint/pint/measurement.py", line 48, in __new__

mag = ufloat(value, error)


 "/Users/crusaderky/miniconda3/envs/pint/lib/python3.6/site-packages/uncertainties/core.py", line 3246, in ufloat

final_ufloat = ufloat_obsolete(nominal_value, tag_arg)


 "/Users/crusaderky/miniconda3/envs/pint/lib/python3.6/site-packages/uncertainties/core.py", line 3189, in ufloat_obsolete

return ufloat_fromstr(representation, tag)


 "/Users/crusaderky/miniconda3/envs/pint/lib/python3.6/site-packages/uncertainties/core.py", line 3173, in ufloat_fromstr

representation.strip())
AttributeError: 'numpy.ndarray' object has no attribute 'strip'

Traceback (most recent call last):


 "aker.py", line 137, in <module>

Aker().build_tui()


 "aker.py", line 99, in __init__

self.build_tui()


 "aker.py", line 105, in build_tui

self.tui = tui.Window(self)


 "/home/mex/data/svn/Aker/tui.py", line 43, in __init__

self.draw()


 "/home/mex/data/svn/Aker/tui.py", line 96, in draw

self.hosts_listbox = self.refresh_hosts(self.aker.user.ssh_hosts)


 "/home/mex/data/svn/Aker/tui.py", line 53, in refresh_hosts

return urwid.ListBox(urwid.SimpleFocusListWalker(body))
AttributeError: 'module' object has no attribute 'SimpleFocusListWalker'
