Hi, Thanks for your quick response. I am running on Ubuntu 20.04, and installed Sagemath via `sudo apt-get install sagemath`. >From what I recorded, it was Sage 9.0 on Python 3.8.2 since I've installed Ubuntu (in early July The version are consistent on Sage and Python when I referred just now:
``` $ sage --version SageMath version 9.0, Release Date: 2020-01-01 $ python --version Python 3.8.2 ``` Since I was using Sage in a daily basis in the previous week, so I think I've triggered something lately causing the problem. Moreover I found an entry from /var/log/dpkg.log.1 that may cause the problem (unsure about that). ``` 2020-07-30 11:52:47 upgrade python3-distupgrade:all 1:20.04.21 1:20.04.23 2020-07-30 11:52:47 status half-configured python3-distupgrade:all 1:20.04.21 2020-07-30 11:52:47 status unpacked python3-distupgrade:all 1:20.04.21 2020-07-30 11:52:47 status half-installed python3-distupgrade:all 1:20.04.21 2020-07-30 11:52:48 status unpacked python3-distupgrade:all 1:20.04.23 ``` Should I downgrade my Python version to see if Sage could start up properly? Thanks much! slelievre在 2020年8月3日星期一下午1:57:05 [UTC+8]寫道： > Le lundi 3 août 2020 05:31:01 UTC+2, Samuel Tang a écrit : >> >> Hi team, >> >> This issue happened to me just one day ago. >> >> I am aware of https://trac.sagemath.org/ticket/18492 and >> > https://www.mail-archive.com/debian-b...@lists.debian.org/msg1671690.html >> <https://www.mail-archive.com/debian-bugs-dist@lists.debian.org/msg1671690.html> >> > as they have the same TypeError, but I think that is not my case. >> >> Thanks for the help in advance! >> > > Hi Samuel, > > Did you just install Sage? Probably not or you would have installed > either Sage 9.1 or Sage 9.2.beta7. > > More likely, did you have Sage installed on your computer for a while, > via some package manager, and working well, and did you just upgrade > the system Python from Python 3.7.x to Python 3.8.x? > > Python 3.8.x is not supported yet, we're slowly getting there, see: > > - Sage Trac ticket 27754 > Upgrade: Python 3.8.5 > https://trac.sagemath.org/ticket/27754 > > For more support, what is your OS and how did you install Sage? > > -- You received this message because you are subscribed to the Google Groups "sage-support" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-support+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/sage-support/e7c8ad74-6767-4f79-b225-e734c3fe4402n%40googlegroups.com.
