---------------------------------------------------------------------------
PerspectiveError                          Traceback (most recent call last)
<ipython-input-2-acefd98973df> in <module>
      3     "b": [1, 2, 3, 4, 5]
      4 })
----> 5 perspective.PerspectiveWidget(df)

~/work/perspective/python/perspective/perspective/widget/widget.py in __init__(self, table_or_data, index, limit, client, **kwargs)
    263                     load_kwargs.update({"limit": limit})
    264 
--> 265                 self.load(table_or_data, **load_kwargs)
    266 
    267     def load(self, data, **options):

~/work/perspective/python/perspective/perspective/widget/widget.py in load(self, data, **options)
    277             self._data = d
    278         else:
--> 279             super(PerspectiveWidget, self).load(data, **options)
    280 
    281         # proactively notify front-end of new data

~/work/perspective/python/perspective/perspective/viewer/viewer.py in load(self, table_or_data, **options)
    159             table = table_or_data
    160         else:
--> 161             table = Table(table_or_data, **options)
    162 
    163         self.manager.host_table(name, table)

~/work/perspective/python/perspective/perspective/table/table.py in __init__(self, data, limit, index)
     47             _accessor = data
     48         else:
---> 49             _accessor = _PerspectiveAccessor(data)
     50 
     51         self._date_validator = _PerspectiveDateValidator()

~/work/perspective/python/perspective/perspective/table/_accessor.py in __init__(self, data_or_schema)
    111 
    112                 if not isinstance(array, numpy.ndarray):
--> 113                     raise PerspectiveError("Mixed datasets of numpy.ndarray and lists are not supported.")
    114 
    115                 dtype = array.dtype

PerspectiveError: Mixed datasets of numpy.ndarray and lists are not supported.