import plotly.graph_objs as go

/usr/local/lib/python2.7/site-packages/plotly/__init__.py in <module>()
     29 from __future__ import absolute_import
     30
---> 31 from plotly import (plotly, dashboard_objs, graph_objs, grid_objs, tools,
     32                     utils, session, offline, colors)
     33 from plotly.version import __version__

/usr/local/lib/python2.7/site-packages/plotly/plotly/__init__.py in <module>()
      8
      9 """
---> 10 from . plotly import (
     11     sign_in,
     12     update_plot_options,

/usr/local/lib/python2.7/site-packages/plotly/plotly/plotly.py in <module>()
     27 from requests.compat import json as _json
     28
---> 29 from plotly import exceptions, files, session, tools, utils
     30 from plotly.api import v1, v2
     31 from plotly.plotly import chunked_requests

/usr/local/lib/python2.7/site-packages/plotly/tools.py in <module>()
     58
     59 ipython_core_display = optional_imports.get_module('IPython.core.display')
---> 60 matplotlylib = optional_imports.get_module('plotly.matplotlylib')
     61 sage_salvus = optional_imports.get_module('sage_salvus')
     62

/usr/local/lib/python2.7/site-packages/plotly/optional_imports.pyc in get_module(name)
     21     if name not in _not_importable:
     22         try:
---> 23             return import_module(name)
     24         except ImportError:
     25             _not_importable.add(name)

/usr/local/Cellar/python/2.7.9/Frameworks/Python.framework/Versions/2.7/lib/python2.7/importlib/__init__.pyc in import_module(name, package)
     35             level += 1
     36         name = _resolve_name(name[level:], package, level)
---> 37     __import__(name)
     38     return sys.modules[name]

/usr/local/lib/python2.7/site-packages/plotly/matplotlylib/__init__.py in <module>()
     12 from __future__ import absolute_import
     13
---> 14 from plotly.matplotlylib.renderer import PlotlyRenderer
     15 from plotly.matplotlylib.mplexporter import Exporter

/usr/local/lib/python2.7/site-packages/plotly/matplotlylib/renderer.py in <module>()
     11 import warnings
     12
---> 13 import plotly.graph_objs as go
     14 from plotly.matplotlylib.mplexporter import Renderer
     15 from plotly.matplotlylib import mpltools

/usr/local/lib/python2.7/site-packages/plotly/graph_objs/__init__.py in <module>()
     12 from __future__ import absolute_import
     13
---> 14 from plotly.graph_objs.graph_objs import *  # this is protected with __all__

/usr/local/lib/python2.7/site-packages/plotly/graph_objs/graph_objs.py in <module>()
     32 import six
     33
---> 34 from plotly import exceptions, graph_reference
     35 from plotly.graph_objs import graph_objs_tools
     36

/usr/local/lib/python2.7/site-packages/plotly/graph_reference.py in <module>()
    230
    231
--> 232 @utils.memoize()
    233 def _get_valid_attributes(object_name, parent_object_names):
    234     attributes = get_attributes_dicts(object_name, parent_object_names)

/usr/local/lib/python2.7/site-packages/plotly/utils.pyc in memoize(maxsize)
    490         return result
    491
--> 492     return decorator(_memoize)

/usr/local/lib/python2.7/site-packages/decorator.pyc in decorator(caller, _func)
    256         callerfunc = caller
    257         doc = caller.__doc__
--> 258         fun = getfullargspec(callerfunc).args[0]  # first arg
    259     else:  # assume caller is an object with a __call__ method
    260         name = caller.__class__.__name__.lower()

IndexError: list index out of range