异常模块的阴谋导入错误

我到处搜索都找不到解决这个问题的方法。我正在尝试导入plotly在 Jupyter Notebook 中使用以下代码并分别收到以下错误

Code:

import sys
print(sys.path)
sys.path.append('/usr/local/lib/python2.7/dist-packages')

import plotly 

Error:

---------------------------------------------------------------------------
ImportError                               Traceback (most recent call last)
<ipython-input-3-b41540b5e198> in <module>()
      3 sys.path.append('/usr/local/lib/python2.7/dist-packages')
      4 
----> 5 import plotly

/usr/local/lib/python2.7/dist-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/dist-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/dist-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/dist-packages/plotly/tools.py in <module>()
     14 import six
     15 
---> 16 from plotly import exceptions, optional_imports, session, utils
     17 from plotly.files import (CONFIG_FILE, CREDENTIALS_FILE, FILE_CONTENT,
     18                           check_file_permissions)

ImportError: cannot import name exceptions

我尝试过的：

• 我尝试过情节升级但没有成功。

• 已经用pip卸载并重新安装了plotly包，但没有成功