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So, Currently I have Python 2.7.6 in my linux system and pandas version '0.13.1' so I was using dt accesor in my code which wasnt working.After some google I came to know it requires higher version of pandas. I tried a couple of things. It is giving me warning #warning "Using deprecated NumPy API, disable it by " \ . Any help on this how can I upgrade this?

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    use pip install --upgrade pandas. Commented Jul 14, 2016 at 11:18
  • @shivsn I did that only it first downloads Downloading pandas-0.18.1.tar.gz (7.3MB): then it donloadsDownloading numpy-1.11.1.zip (4.7MB): and then the warning as in question. and ultimately teminates on UnicodeDecodeError: 'ascii' codec can't decode byte 0xe2 in position 32: ordinal not in range(128) Commented Jul 14, 2016 at 11:31
  • @shivsn no such option: --no-cache-dir Commented Jul 14, 2016 at 11:52
  • @shivsn already did that same problem Commented Jul 14, 2016 at 12:04
  • take a look at this question. Commented Jul 14, 2016 at 12:05

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Looking at the log, the two interesting lines are

copying build/lib.linux-x86_64-2.7/pandas/_period.so -> /usr/local/lib/python2.7/dist-packages/pandas

error: could not delete '/usr/local/lib/python2.7/dist-packages/pandas/_period.so': Permission denied

The problem is obvious: You have a system version of pandas installed in /usr/lib/python2.7, and an old versions of pandas installed in /usr/local/lib/python2.7/. /usr/local/bin is a system-wide directory, so you need superuser rights to write to it. However, your user does not have these rights.

There are a number of options to rectify the problem:

  1. Use a virtualenv or another way of installing panda in a local directory. In order to avoid confusion, it may be a good idea to remove the system-wide installations in /usr/local/ and the one in /usr/lib.
  2. Call pip install with the --user option to install pandas for your current user. Again, it depends on your system setup, but it may be a good idea to remove the system-wide installations.
  3. Update the system-wide pip installation. You'll need superuser rights (typically acquired by prefixing the command with sudo, as in sudo pip install -U pandas). It may be a good idea to remove the OS version.
  4. Find a way to update the OS version (in /usr/lib). Again, remove all others.

To remove the installation in /usr/local/lib/python2.7/pandas/, run sudo pip uninstall pandas or remove the directory outright.

It depends on the linux distribution how you get rid of your operating system version. In most releases, something along the lines of sudo apt-get remove -y python-pandas should work.

Everything before these messages is just warnings. The UnicodeDecodeError is a red herring, since it only occurs after the installation has failed.

To find out which pandas version you are using, you can examine the Python path (print(sys.path)) or more cleverly, simply run

import pandas as pd print(pd.__file__)
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3 Comments

I already tried sudo pip install -U pandas this is what happens < pastee.org/xm2mn > .
virtualenv i dont want to use . Can it be upgraded for all of the user ?
@Danish If you tried something already, please do include (a link to) these logs in the question! It sucks to have to guess stuff and play ping pong. In a similar vein, feel free to be a little bit more precise about your system, For instance, what Linux distribution are you running? What CPU architecture? Unless your system's configuration is a state secret (and then you probably shouldn't post on stackoverflow in the first place), I fail to comprehend why one would not include as much information as possible in a question. Alright, I have updated my answer based on the new log.