我运行以下命令通过pip安装pandas
sudo pip install pandas --upgrade哪种输出
Requirement already up-to-date: pandas in /opt/local/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/site-packages
Requirement already up-to-date: numpy>=1.7.0 in /opt/local/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/site-packages (from pandas)
Requirement already up-to-date: python-dateutil>=2 in /opt/local/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/site-packages (from pandas)
Requirement already up-to-date: pytz>=2011k in /opt/local/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/site-packages (from pandas)
Requirement already up-to-date: six>=1.5 in /opt/local/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/site-packages (from python-dateutil>=2->pandas)但是,当我在命令行中使用python3时,我无法导入pandas
$ python3
>>> import pandas
>>> Traceback (most recent call last):
File "<stdin>", line 1, in <module>
ImportError: No module named 'pandas'看起来这是在正确的位置,因为
which python3 位于以下位置:
/opt/local/bin/python3在python3中执行
>>> import sys
>>> print(sys.version)输出
'3.4.5 (default, Jun 27 2016, 04:57:21) \n[GCC 4.2.1 Compatible Apple LLVM 7.0.2 (clang-700.1.81)]'为什么我不能进口熊猫?
编辑:我使用的是pip版本的pip3:
pip --version输出
pip 8.1.2 from /opt/local/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/site-packages (python 3.4)发布于 2016-07-19 12:23:15
看起来你的操作系统默认使用pip2。可以通过键入以下命令进行检查:
$ pip --version
pip 8.1.2 from /usr/local/lib/python2.7/dist-packages (python 2.7)尝试像这样使用pip3命令:
sudo pip3 install pandas --upgradehttps://stackoverflow.com/questions/38448200
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