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How do I clean it up?

Errors were encountered while processing:
 python-cairo
 python-gobject-2
 python-gtk2
 python-numpy
 python-sqlalchemy
 python-pygame
 childsplay
 childsplay-alphabet-sounds-ca
 python-pysqlite2
 gcompris
 python-configparser
 python-lzma
 python-sqlalchemy-ext
 youtube-dl
E: Sub-process /usr/bin/dpkg returned an error code (1)
skumaran@hamming:~$

My full error log is here:

http://pastebin.com/1c6cZz34

How do I clean up my system so that it does not give this error while installing software.

My active python is python3.4

skumaran@hamming:~/workspace$ /usr/bin/python --version
Python 3.4.5rc1
skumaran@hamming:~/workspace$ head -1 /usr/bin/pycompile 
#! /usr/bin/python
skumaran@hamming:~/workspace$
Senthil Kumaran
  • 943

1 Answers1

1

Ubuntu depends on /usr/bin/python being Python2. If you change this to Python3 you break the system. Change it back to Python2.

See Why isn't python 3 the default python binary? and How do I make the terminal run python 3.1? for more about this.

Florian Diesch
  • 87,389
  • what's the best way to reset it it back to "system default" python? – Senthil Kumaran Jul 06 '16 at 17:15
  • sudo ln -sf python2.7 /usr/bin/python will change /usr/bin/python back to the default. Depending on what you did to make /usr/bin/python Python3.4 you may need to fix whatever you changed, too. – Florian Diesch Jul 06 '16 at 17:29