Ubuntu 14.04 Dist-升级 : "TypeError"

Question

一天中的好时光!我正在尝试升级 Ubuntu 14.04，但出现以下错误:

ub14:~$ do-release-upgrade -d
Checking for a new Ubuntu release
Get:1 Upgrade tool signature [836 B]                                           
Get:2 Upgrade tool [1 265 kB]                                                  
Fetched 1 266 kB in 0s (0 B/s)                                                 
authenticate 'xenial.tar.gz' against 'xenial.tar.gz.gpg' 
extracting 'xenial.tar.gz'

Traceback (most recent call last):
  File "/tmp/ubuntu-release-upgrader-ohuj5xpk/xenial", line 8, in <module>
    sys.exit(main())
  File "/tmp/ubuntu-release-upgrader-ohuj5xpk/DistUpgrade/DistUpgradeMain.py", line 228, in main
    from .DistUpgradeController import DistUpgradeController
  File "/tmp/ubuntu-release-upgrader-ohuj5xpk/DistUpgrade/DistUpgradeController.py", line 58, in <module>
    from .DistUpgradeQuirks import DistUpgradeQuirks
  File "/tmp/ubuntu-release-upgrader-ohuj5xpk/DistUpgrade/DistUpgradeQuirks.py", line 36, in <module>
    from janitor.plugincore.manager import PluginManager
  File "/tmp/ubuntu-release-upgrader-ohuj5xpk/janitor/__init__.py", line 20, in <module>
    import pkg_resources
  File "/usr/local/lib/python3.4/dist-packages/pkg_resources/__init__.py", line 72, in <module>
    import packaging.requirements
  File "/usr/local/lib/python3.4/dist-packages/packaging/requirements.py", line 59, in <module>
    MARKER_EXPR = originalTextFor(MARKER_EXPR())("marker")
TypeError: __call__() missing 1 required positional argument: 'name'

所有需要的东西都完成了:

ub14:~$ sudo apt-get update; sudo apt-get upgrade; sudo apt-get dist-upgrade
ub14:~$ sudo apt-get install update-manager-core

<-没关系。

问题的最可能原因:曾经尝试升级 Ubuntu 14.04，但在电池完全放电之前忘记重新启动系统。从此 TypeError: __call__() missing 1 required positional argument: 'name'每次尝试更新时都会出现。从 GUI 更新也是不可能的——它只是在按下“升级”按钮时关闭窗口，仅此而已。可能有人已经解决了相同的问题，并且此信息可能很有用。

有没有办法在 future 进一步解决没有任何副作用的问题(我知道将 MARKER_EXPR() 更改为 MARKER_EXPR("") 的技巧，但是在升级过程中或之后没有关于副作用的信息它)？先感谢您!

Answer 1

我有同样的问题。做sudo pip uninstall pyparsing然后 sudo pip install pyparsing为我解决了。