error
Solution
First, yum upgrade directly above python3
The second is to modify yum interpreter for the old version python2.7, is about the connection file / usr / bin / python soft connection back /usr/bin/python2.7. Version palliative, not recommended.
Third, change the settings in the settings explained that modify the / usr / bin / yum file, specify the use of yum python2.7 as interpreter:
The first line "#! / Usr / bin / python" was changed to "#! / Usr / bin / python2" can be .
However, not finished: Install the software ERR0R time and there will be another error
Like a previous problem, so the solution is the same:
The first line "#! / Usr / bin / python" was changed to "#! / Usr / bin / python2" can be.
test was successful
Lian access is soft python python 3.6 yum original use was still too python2.7
