conda 更新后无法导入 pandas，缺少必需的依赖项 ['numpy']

Question

我已经使用 pandas 很长时间了，想使用这个功能。意识到我使用的是之前的版本，我在命令行中输入 conda update pandas。

现在，当我进入 python 并尝试导入 pandas 时，我看到以下内容：

C:\Users\%USER%>python
Python 2.7.10 |Continuum Analytics, Inc.| (default, May 28 2015, 17:02:00) [MSC
v.1500 32 bit (Intel)] on win32
Type "help", "copyright", "credits" or "license" for more information.
Anaconda is brought to you by Continuum Analytics.
Please check out: http://continuum.io/thanks and https://binstar.org
>>> import pandas as pd
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "C:\Users\%USER%\Miniconda\lib\site-packages\pandas\__init__.py", l
ine 18, in <module>
    raise ImportError("Missing required dependencies {0}".format(missing_depende
ncies))
ImportError: Missing required dependencies ['numpy']
>>>

如果我只是尝试导入 numpy，我会看到：

    >>> import numpy
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "C:\Users\%USER%\Miniconda\lib\site-packages\numpy\__init__.py", li
ne 180, in <module>
    from . import add_newdocs
  File "C:\Users\%USER%\Miniconda\lib\site-packages\numpy\add_newdocs.py",
 line 13, in <module>
    from numpy.lib import add_newdoc
  File "C:\Users\%USER%\Miniconda\lib\site-packages\numpy\lib\__init__.py"
, line 8, in <module>
    from .type_check import *
  File "C:\Users\%USER%\Miniconda\lib\site-packages\numpy\lib\type_check.p
y", line 11, in <module>
    import numpy.core.numeric as _nx
  File "C:\Users\%USER%\Miniconda\lib\site-packages\numpy\core\__init__.py
", line 14, in <module>
    from . import multiarray
ImportError: DLL load failed: The specified module could not be found.

在此 conda 更新之前，它一直运行良好。有人经历过吗？

Answer 1

谢天谢地 conda 理解修订。

C:\>conda list --revisions

将为您提供修订列表。找到最近那个坏东西之前的那个。

对我来说是第 6 版，所以我输入了：

C:\>conda install --revision 6

我起床了运行！

conda 更新后无法导入 pandas，缺少必需的依赖项 ['numpy']

cannot import pandas after conda update, Missing required dependencies ['numpy']

python

numpy

pandas

conda