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[英]concurrent.futures does not work on ubuntu 18.04 and centosos 7
[英]Terminal does not start in Ubuntu 18.04
我尝试在 Ubuntu 中安装 Django 框架。 我正在使用 python 3.8。 但在正常安装中,已经安装了 Django 1.1。 我将python3替代品更改为python3.8。 并使用 python3 -m pip 安装 django。 我安装了 Django(v 3.3) 并使用了它。 但在更改替代方案后,终端无法打开并启动。
我从我的 ubuntu 中删除了 python3.6。 之后问题就开始了。
似乎 linux 中的一些程序在 python3.6 中运行,删除后,
我无法解决问题,终端 windows 无法打开。 我尝试了其他方法(更改 gnome-terminal 文件,将替代品更改为默认 v3.6 并修复 Broken 发行版),但它们没有帮助我。 我无法打开终端,当我运行 sudo apt update 时,我收到了以下错误:
任何想法?
File has unexpected size (1133 != 1128). Mirror sync in progress? [IP: ***.**.***.** 80]
Release file created at: Wed, 06 May 2020 19:27:45 +0000 Fetched 1,762 B in 2s (932 B/s) Traceback (most recent call last): File "/usr/lib/cnf-update-db", line 8, in <module>
from CommandNotFound.db.creator import DbCreator File "/usr/lib/python3/dist-packages/CommandNotFound/db/creator.py", line 7, in <module>
import sqlite3 File "/usr/lib/python3.6/sqlite3/__init__.py", line 23, in <module>
from sqlite3.dbapi2 import * File "/usr/lib/python3.6/sqlite3/dbapi2.py", line 23, in <module>
import datetime File "/usr/lib/python3.6/datetime.py", line 8, in <module>
import math as _math ModuleNotFoundError: No module named 'math' Error in sys.excepthook: Traceback (most recent call last): File "/usr/lib/python3/dist-packages/apport_python_hook.py", line 63, in apport_excepthook
from apport.fileutils import likely_packaged, get_recent_crashes File "/usr/lib/python3/dist-packages/apport/__init__.py", line 5, in <module>
from apport.report import Report File "/usr/lib/python3/dist-packages/apport/report.py", line 12, in <module>
import subprocess, tempfile, os.path, re, pwd, grp, os, time, io File "/usr/lib/python3.6/subprocess.py", line 136, in <module>
import _posixsubprocess ModuleNotFoundError: No module named '_posixsubprocess'
Original exception was: Traceback (most recent call last): File "/usr/lib/cnf-update-db", line 8, in <module>
from CommandNotFound.db.creator import DbCreator File "/usr/lib/python3/dist-packages/CommandNotFound/db/creator.py", line 7, in <module>
import sqlite3 File "/usr/lib/python3.6/sqlite3/__init__.py", line 23, in <module>
from sqlite3.dbapi2 import * File "/usr/lib/python3.6/sqlite3/dbapi2.py", line 23, in <module>
import datetime File "/usr/lib/python3.6/datetime.py", line 8, in <module>
import math as _math ModuleNotFoundError: No module named 'math' Reading package lists... Done E: Failed to fetch http://dl.google.com/linux/chrome/deb/dists/stable/main/binary-amd64/Packages.gz File has unexpected size (1133 != 1128). Mirror sync in progress? [IP:
* 80] Hashes of expected file:
- Filesize:1128 [weak]
- SHA256:*
- SHA1:*
- MD5Sum:*
Release file created at: Wed, 06 May 2020 19:27:45 +0000 E: Some index files failed to download. They have been ignored, or old ones used instead. E: Problem executing scripts APT::Update::Post-Invoke-Success 'if /usr/bin/test -w /var/lib/command-not-found/ -a -e /usr/lib/cnf-update-db; then /usr/lib/cnf-update-db > /dev/null; fi' E: Sub-process returned an error code
当我尝试运行 django-admin 时显示以下结果:
Traceback (most recent call last):
File "/usr/bin/django-admin", line 5, in <module>
from django.core.management import execute_from_command_line
File "/home/pytm/.local/lib/python3.6/site-packages/django/__init__.py", line 1, in <module>
from django.utils.version import get_version
File "/home/pytm/.local/lib/python3.6/site-packages/django/utils/version.py", line 1, in <module>
import datetime
File "/usr/lib/python3.6/datetime.py", line 8, in <module>
import math as _math
ModuleNotFoundError: No module named 'math'
Error in sys.excepthook:
Traceback (most recent call last):
File "/usr/lib/python3/dist-packages/apport_python_hook.py", line 63, in apport_excepthook
from apport.fileutils import likely_packaged, get_recent_crashes
File "/usr/lib/python3/dist-packages/apport/__init__.py", line 5, in <module>
from apport.report import Report
File "/usr/lib/python3/dist-packages/apport/report.py", line 12, in <module>
import subprocess, tempfile, os.path, re, pwd, grp, os, time, io
File "/usr/lib/python3.6/subprocess.py", line 136, in <module>
import _posixsubprocess
ModuleNotFoundError: No module named '_posixsubprocess'
Original exception was:
Traceback (most recent call last):
File "/usr/bin/django-admin", line 5, in <module>
from django.core.management import execute_from_command_line
File "/home/pytm/.local/lib/python3.6/site-packages/django/__init__.py", line 1, in <module>
from django.utils.version import get_version
File "/home/pytm/.local/lib/python3.6/site-packages/django/utils/version.py", line 1, in <module>
import datetime
File "/usr/lib/python3.6/datetime.py", line 8, in <module>
import math as _math
ModuleNotFoundError: No module named 'math'
profiling:/home/user/Downloads/Python-3.6.10/Programs/python.gcda:Cannot open
profiling:/home/user/Downloads/Python-3.6.10/Modules/xxsubtype.gcda:Cannot open
几个小时后,我找到了解决问题的方法。
首先,我备份了我所有的数据(我会推荐给所有尝试这个的人)。 尽管它对我有用,但它可能由于某种原因在您的机器上失败,并且您不想丢失数据。
我运行以下命令来删除旧版本的python3.6而不删除所有依赖项并直接安装默认版本。
sudo dpkg --remove --force-depends python3.6 python3.6-minimal libpython3.6-minimal libpython3.6-stdlib
sudo apt-get install python3.6 python3.6-minimal libpython3.6-minimal libpython3.6-stdlib
我在重新启动机器之前运行了sudo apt-get update
和sudo apt-get upgrade
。
一切都好起来了。。
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