ImportError:无法导入名称“msgpack”

Question

我关注的是一个使用castra和dask阅读reddit评论的tutorial。在

我已经安装了最新版本的达斯克和熊猫使用Python和卡斯特拉使用pip。我的pandas版本是'0.22.0'，我已经用pip install pandas-msgpack -U安装了msgpack，我使用的是python3.6。在

尝试导入castra时会出现以下错误：

---------------------------------------------------------------------------
ImportError                               Traceback (most recent call last)
<ipython-input-16-fcdf7be49118> in <module>()
     32 from pandas import Timestamp, NaT, DataFrame
     33 from toolz import dissoc
---> 34 from castra import Castra
     35 from toolz import peek, partition_all
     36 import time

/Users/edefilippis/anaconda/lib/python3.6/site-packages/castra/__init__.py in <module>()
----> 1 from .core import Castra
      2 
      3 __version__ = '0.1.7'

/Users/edefilippis/anaconda/lib/python3.6/site-packages/castra/core.py in <module>()
     22 import pandas as pd
     23 
---> 24 from pandas import msgpack
     25 
     26 

ImportError: cannot import name 'msgpack'

Answer 1

根据https://pandas-msgpack.readthedocs.io/en/latest/install.html尝试：

conda install pandas-msgpack  channel conda-forge

因为您可能缺少一些依赖项。另请参见pip vs conda:

What is the difference between pip and conda?