user@host:~$ sudo apt-get install screen
Reading package lists... Done
Building dependency tree
Reading state information... Done
screen is already the newest version.
The following packages will be upgraded:
jockey-common
1 upgraded, 0 newly installed, 0 to remove and 8 not upgraded.
97 not fully installed or removed.
Need to get 0B/345kB of archives.
After this operation, 0B of additional disk space will be used.
(Reading database ... 137417 files and directories currently installed.)
Preparing to replace python-apt 0.7.96.1ubuntu11 (using .../python-apt_0.7.96.1ubuntu11_i386.deb) ...
Traceback (most recent call last):
File "/usr/bin/pycentral", line 2304, in <module>
main()
File "/usr/bin/pycentral", line 2298, in main
rv = action.run(global_options)
File "/usr/bin/pycentral", line 1653, in run
runtimes = get_installed_runtimes(with_unsupported=True)
File "/usr/bin/pycentral", line 278, in get_installed_runtimes
default_version = pyversions.default_version(version_only=True)
File "/usr/share/pycentral-data/pyversions.py", line 172, in default_version
raise ValueError, "/usr/bin/python does not match the python default version. It must be reset to point to %s" % debian_default
ValueError: /usr/bin/python does not match the python default version. It must be reset to point to python2.5.2
dpkg: warning: subprocess old pre-removal script returned error exit status 1
dpkg - trying script from the new package instead ...
Traceback (most recent call last):
File "/usr/bin/pycentral", line 2304, in <module>
main()
File "/usr/bin/pycentral", line 2298, in main
rv = action.run(global_options)
File "/usr/bin/pycentral", line 1653, in run
runtimes = get_installed_runtimes(with_unsupported=True)
File "/usr/bin/pycentral", line 278, in get_installed_runtimes
default_version = pyversions.default_version(version_only=True)
File "/usr/share/pycentral-data/pyversions.py", line 172, in default_version
raise ValueError, "/usr/bin/python does not match the python default version. It must be reset to point to %s" % debian_default
ValueError: /usr/bin/python does not match the python default version. It must be reset to point to python2.5.2
dpkg: error processing /var/cache/apt/archives/python-apt_0.7.96.1ubuntu11_i386.deb (--unpack):
subprocess new pre-removal script returned error exit status 1
Traceback (most recent call last):
File "/usr/bin/pycentral", line 2304, in <module>
main()
File "/usr/bin/pycentral", line 2298, in main
rv = action.run(global_options)
File "/usr/bin/pycentral", line 1477, in run
runtimes = get_installed_runtimes()
File "/usr/bin/pycentral", line 278, in get_installed_runtimes
default_version = pyversions.default_version(version_only=True)
File "/usr/share/pycentral-data/pyversions.py", line 172, in default_version
raise ValueError, "/usr/bin/python does not match the python default version. It must be reset to point to %s" % debian_default
ValueError: /usr/bin/python does not match the python default version. It must be reset to point to python2.5.2
dpkg: error while cleaning up:
subprocess installed post-installation script returned error exit status 1
Preparing to replace jockey-common 0.5.10-0ubuntu5.1 (using .../jockey-common_0.5.10-0ubuntu5.2_all.deb) ...
Traceback (most recent call last):
File "/usr/bin/pycentral", line 2304, in <module>
main()
File "/usr/bin/pycentral", line 2298, in main
rv = action.run(global_options)
File "/usr/bin/pycentral", line 1653, in run
runtimes = get_installed_runtimes(with_unsupported=True)
File "/usr/bin/pycentral", line 278, in get_installed_runtimes
default_version = pyversions.default_version(version_only=True)
File "/usr/share/pycentral-data/pyversions.py", line 172, in default_version
raise ValueError, "/usr/bin/python does not match the python default version. It must be reset to point to %s" % debian_default
ValueError: /usr/bin/python does not match the python default version. It must be reset to point to python2.5.2
dpkg: warning: subprocess old pre-removal script returned error exit status 1
dpkg - trying script from the new package instead ...
Traceback (most recent call last):
File "/usr/bin/pycentral", line 2304, in <module>
main()
File "/usr/bin/pycentral", line 2298, in main
rv = action.run(global_options)
File "/usr/bin/pycentral", line 1653, in run
runtimes = get_installed_runtimes(with_unsupported=True)
File "/usr/bin/pycentral", line 278, in get_installed_runtimes
default_version = pyversions.default_version(version_only=True)
File "/usr/share/pycentral-data/pyversions.py", line 172, in default_version
raise ValueError, "/usr/bin/python does not match the python default version. It must be reset to point to %s" % debian_default
ValueError: /usr/bin/python does not match the python default version. It must be reset to point to python2.5.2
dpkg: error processing /var/cache/apt/archives/jockey-common_0.5.10-0ubuntu5.2_all.deb (--unpack):
subprocess new pre-removal script returned error exit status 1
Traceback (most recent call last):
File "/usr/bin/pycentral", line 2304, in <module>
main()
File "/usr/bin/pycentral", line 2298, in main
rv = action.run(global_options)
File "/usr/bin/pycentral", line 1477, in run
runtimes = get_installed_runtimes()
File "/usr/bin/pycentral", line 278, in get_installed_runtimes
default_version = pyversions.default_version(version_only=True)
File "/usr/share/pycentral-data/pyversions.py", line 172, in default_version
raise ValueError, "/usr/bin/python does not match the python default version. It must be reset to point to %s" % debian_default
ValueError: /usr/bin/python does not match the python default version. It must be reset to point to python2.5.2
dpkg: error while cleaning up:
subprocess installed post-installation script returned error exit status 1
Errors were encountered while processing:
/var/cache/apt/archives/python-apt_0.7.96.1ubuntu11_i386.deb
/var/cache/apt/archives/jockey-common_0.5.10-0ubuntu5.2_all.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Here's my /usr/share/python/debian_defaults file.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[DEFAULT]
# the default python version
default-version = python2.5.2
# all supported python versions
supported-versions = python2.5.2
# formerly supported python versions
old-versions = python2.3, python2.4
# unsupported versions, including older versions
unsupported-versions = python2.3, python2.4