Error thrown when trying to restore a model

model_restore_error.py

>>> s = hs.load(...)
>>> m = s.create_model()
...

>>> m.store()
>>> s.models()
└── a
    ├── components
    │   ├── C_K
    │   ├── O_K
    │   ├── Offset
    │   ├── PowerLaw
    │   ├── Zr_M2
    │   ├── Zr_M3
    │   ├── Zr_M4
    │   └── Zr_M5
    ├── date = 2016-08-27 14:58:35
    └── dimensions = (100|2047)
    
>>> m2 = s.models.restore("a")

---------------------------------------------------------------------------
ValueError                                Traceback (most recent call last)
<ipython-input-32-bbb5d66245c0> in <module>()
----> 1 m2 = cl.models.restore("a")

/Users/thomas/Dropbox/0_Git/GitHub/hyperspy_aar/hyperspy/signal.py in restore(self, name)
    227         name = self._check_name(name, True)
    228         d = self._models.get_item(name + '._dict').as_dictionary()
--> 229         return self._signal.create_model(dictionary=copy.deepcopy(d))
    230 
    231     def __repr__(self):

/Users/thomas/Dropbox/0_Git/GitHub/hyperspy_aar/hyperspy/_signals/eels.py in create_model(self, ll, auto_background, auto_add_edges, GOS, dictionary)
   1251                           auto_add_edges=auto_add_edges,
   1252                           GOS=GOS,
-> 1253                           dictionary=dictionary)
   1254         return model

/Users/thomas/Dropbox/0_Git/GitHub/hyperspy_aar/hyperspy/models/eelsmodel.py in __init__(self, signal1D, auto_background, auto_add_edges, ll, GOS, dictionary)
     84             auto_background = False
     85             auto_add_edges = False
---> 86             self._load_dictionary(dictionary)
     87 
     88         if auto_background is True:

/Users/thomas/Dropbox/0_Git/GitHub/hyperspy_aar/hyperspy/model.py in _load_dictionary(self, dic)
    280 
    281                 self.append(getattr(components, comp['_id_name'])(**init_args))
--> 282                 id_dict.update(self[-1]._load_dictionary(comp))
    283             # deal with twins:
    284             for comp in dic['components']:

/Users/thomas/Dropbox/0_Git/GitHub/hyperspy_aar/hyperspy/component.py in _load_dictionary(self, dic)
   1179                 if hasattr(self, idname):
   1180                     par = getattr(self, idname)
-> 1181                     t_id = par._load_dictionary(p)
   1182                     id_dict[t_id] = par
   1183                 else:

/Users/thomas/Dropbox/0_Git/GitHub/hyperspy_aar/hyperspy/component.py in _load_dictionary(self, dictionary)
    183         """
    184         if dictionary['_id_name'] == self._id_name:
--> 185             load_from_dictionary(self, dictionary)
    186             return dictionary['self']
    187         else:

/Users/thomas/Dropbox/0_Git/GitHub/hyperspy_aar/hyperspy/misc/export_dictionary.py in load_from_dictionary(target, dic)
    174                 new_whitelist[key] = (flags_str, value)
    175             else:
--> 176                 attrsetter(target, key, value)
    177                 if len(flags_str):
    178                     new_whitelist[key] = (flags_str, None)

/Users/thomas/Dropbox/0_Git/GitHub/hyperspy_aar/hyperspy/misc/utils.py in attrsetter(target, attrs, value)
     66     if where != -1:
     67         target = attrgetter(attrs[:where])(target)
---> 68     setattr(target, attrs[where + 1:], value)
     69 
     70 

/Users/thomas/Dropbox/0_Git/GitHub/hyperspy_aar/hyperspy/component.py in _set_value(self, value)
    214                 raise ValueError(
    215                     "The length of the parameter must be ",
--> 216                     self._number_of_elements)
    217             else:
    218                 if not isinstance(value, tuple):

ValueError: ('The length of the parameter must be ', 40)