问题
I have a pretty fresh installation of Debian GNU/Linux 9 (stretch).
I have installed python3.7.2 and some python-packages.
After attempting to install spyder3 using sudo apt-get install python3-spyder, I keep getting error messages whenever I attempt to install or remove packages.
For instance, running sudo apt-get install unixodbc give the following output:
~$ sudo apt-get install unixodbc
Reading package lists... Done
Building dependency tree
Reading state information... Done
unixodbc is already the newest version (2.3.4-1).
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
12 not fully installed or removed.
After this operation, 0 B of additional disk space will be used.
Do you want to continue? [Y/n] Y
Setting up python-wrapt (1.9.0-2) ...
Traceback (most recent call last):
File "/usr/bin/pycompile", line 35, in <module>
from debpython.version import SUPPORTED, debsorted, vrepr, \
File "/usr/share/python/debpython/version.py", line 24, in <module>
from ConfigParser import SafeConfigParser
ModuleNotFoundError: No module named 'ConfigParser'
dpkg: error processing package python-wrapt (--configure):
subprocess installed post-installation script returned error exit status 1
Setting up python-isort (4.2.5+ds1-2+deb9u1) ...
Traceback (most recent call last):
File "/usr/bin/pycompile", line 35, in <module>
from debpython.version import SUPPORTED, debsorted, vrepr, \
File "/usr/share/python/debpython/version.py", line 24, in <module>
from ConfigParser import SafeConfigParser
ModuleNotFoundError: No module named 'ConfigParser'
dpkg: error processing package python-isort (--configure):
subprocess installed post-installation script returned error exit status 1
Setting up python-lazy-object-proxy (1.2.2-1) ...
Traceback (most recent call last):
File "/usr/bin/pycompile", line 35, in <module>
from debpython.version import SUPPORTED, debsorted, vrepr, \
File "/usr/share/python/debpython/version.py", line 24, in <module>
from ConfigParser import SafeConfigParser
ModuleNotFoundError: No module named 'ConfigParser'
dpkg: error processing package python-lazy-object-proxy (--configure):
subprocess installed post-installation script returned error exit status 1
dpkg: dependency problems prevent configuration of pylint:
pylint depends on python-isort; however:
Package python-isort is not configured yet.
dpkg: error processing package pylint (--configure):
dependency problems - leaving unconfigured
Setting up python-backports.functools-lru-cache (1.3-1) ...
Traceback (most recent call last):
File "/usr/bin/pycompile", line 35, in <module>
from debpython.version import SUPPORTED, debsorted, vrepr, \
File "/usr/share/python/debpython/version.py", line 24, in <module>
from ConfigParser import SafeConfigParser
ModuleNotFoundError: No module named 'ConfigParser'
dpkg: error processing package python-backports.functools-lru-cache (--configure):
subprocess installed post-installation script returned error exit status 1
Setting up python-pyflakes (1.3.0-1) ...
Traceback (most recent call last):
File "/usr/bin/pycompile", line 35, in <module>
from debpython.version import SUPPORTED, debsorted, vrepr, \
File "/usr/share/python/debpython/version.py", line 24, in <module>
from ConfigParser import SafeConfigParser
ModuleNotFoundError: No module named 'ConfigParser'
dpkg: error processing package python-pyflakes (--configure):
subprocess installed post-installation script returned error exit status 1
dpkg: dependency problems prevent configuration of python3-spyder:
python3-spyder depends on pylint; however:
Package pylint is not configured yet.
dpkg: error processing package python3-spyder (--configure):
dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of python-astroid:
python-astroid depends on python-lazy-object-proxy; however:
Package python-lazy-object-proxy is not configured yet.
python-astroid depends on python-wrapt; however:
Package python-wrapt is not configured yet.
dpkg: error processing package python-astroid (--configure):
dependency problems - leaving unconfigured
Setting up python-sip (4.18.1+dfsg-2) ...
Traceback (most recent call last):
File "/usr/bin/pycompile", line 35, in <module>
from debpython.version import SUPPORTED, debsorted, vrepr, \
File "/usr/share/python/debpython/version.py", line 24, in <module>
from ConfigParser import SafeConfigParser
ModuleNotFoundError: No module named 'ConfigParser'
dpkg: error processing package python-sip (--configure):
subprocess installed post-installation script returned error exit status 1
dpkg: dependency problems prevent configuration of python-pyqt5:
python-pyqt5 depends on sip-api-11.3; however:
Package sip-api-11.3 is not installed.
Package python-sip which provides sip-api-11.3 is not configured yet.
dpkg: error processing package python-pyqt5 (--configure):
dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of pyflakes:
pyflakes depends on python-pyflakes (>= 1.0.0-2); however:
Package python-pyflakes is not configured yet.
dpkg: error processing package pyflakes (--configure):
dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of python-pyqt5.qtwebkit:
python-pyqt5.qtwebkit depends on python-pyqt5 (= 5.7+dfsg-5); however:
Package python-pyqt5 is not configured yet.
dpkg: error processing package python-pyqt5.qtwebkit (--configure):
dependency problems - leaving unconfigured
Errors were encountered while processing:
python-wrapt
python-isort
python-lazy-object-proxy
pylint
python-backports.functools-lru-cache
python-pyflakes
python3-spyder
python-astroid
python-sip
python-pyqt5
pyflakes
python-pyqt5.qtwebkit
E: Sub-process /usr/bin/dpkg returned an error code (1)
This is basically the same output I get when running sudo dpkg --configure -a, also.
I have tried every method described at this post and this thread, but none of them fixes the problem.
回答1:
Figured it out. I had set python3.7.2 as my default python executable using
sudo update-alternatives --install /usr/bin/python python /usr/local/bin/python3.7 1
This is the source of my problems. To fix it, I reset it to python2.7.
sudo update-alternatives --remove python /usr/local/bin/python3.7
sudo update-alternatives --install /usr/bin/python python /usr/bin/python2.7 1
Then I could do
sudo dpkg --configure -a
来源：https://stackoverflow.com/questions/54781830/dependency-problems-in-debian-stretch