无法在Ubuntu 16.04上成功进行apt-get upgrade -y，
尝试使用 apt-get upgrade -y 和 apt-get upgrade -y --fix-missing ，
面对升级python3的问题，获得以下警告/错误 -
/home/user# apt-get upgrade -y
Reading package lists... Done
Building dependency tree
Reading state information... Done
Calculating upgrade... Done
The following packages have been kept back:
linux-generic-hwe-16.04 linux-headers-generic-hwe-16.04 linux-image-generic-hwe-16.04 linux-signed-generic-hwe-16.04
linux-signed-image-generic-hwe-16.04
0 upgraded, 0 newly installed, 0 to remove and 5 not upgraded.
1 not fully installed or removed.
After this operation, 0 B of additional disk space will be used.
Setting up python3-pytango (8.1.8-1) ...
File "/usr/lib/python3/dist-packages/PyTango/tango_gevent.py", line 56
raise result.error_string, None, result.tb
^
SyntaxError: invalid syntax
dpkg: error processing package python3-pytango (--configure):
subprocess installed post-installation script returned error exit status 1
Errors were encountered while processing:
python3-pytango
E: Sub-process /usr/bin/dpkg returned an error code (1)
在观察时，问题仅面向python . ，尝试做sudo apt-get --reinstall install python3 -
Setting up python3-pytango (8.1.8-1) ...
File "/usr/lib/python3/dist-packages/PyTango/tango_gevent.py", line 56
raise result.error_string, None, result.tb
^
SyntaxError: invalid syntax
dpkg: error processing package python3-pytango (--configure):
subprocess installed post-installation script returned error exit status 1
Errors were encountered while processing:
python3-pytango
E: Sub-process /usr/bin/dpkg returned an error code (1)