在安装Python3-pip 的时候遇到
[root@localhost rpm-gpg]# yum install python3-pip
Fedora 31 - x86_64 - Updates - aliyun                                                     382 kB/s | 8.1 kB     00:00
Fedora 31 - x86_64 - aliyun                                                               472 kB/s | 6.1 kB     00:00
Dependencies resolved.
==========================================================================================================================
 Package                           Architecture            Version                         Repository                Size
==========================================================================================================================
Installing:
 python3-pip                       noarch                  19.1.1-7.fc31                   updates                  1.6 M
Installing weak dependencies:
 libxcrypt-compat                  x86_64                  4.4.10-1.fc31                   fedora                   100 k
Transaction Summary
==========================================================================================================================
Install  2 Packages
Total download size: 1.7 M
Installed size: 7.8 M
Is this ok [y/N]: y
Downloading Packages:
(1/2): libxcrypt-compat-4.4.10-1.fc31.x86_64.rpm                                          340 kB/s | 100 kB     00:00
(2/2): python3-pip-19.1.1-7.fc31.noarch.rpm                                               2.1 MB/s | 1.6 MB     00:00
--------------------------------------------------------------------------------------------------------------------------
Total                                                                                     2.2 MB/s | 1.7 MB     00:00
warning: /var/cache/dnf/updates-d1e8ff90ae0cb6fb/packages/python3-pip-19.1.1-7.fc31.noarch.rpm: Header V3 RSA/SHA256 Signa   ture, key ID 3c3359c4: NOKEY
Fedora 31 - x86_64 - Updates - aliyun                                                     0.0  B/s |   0  B     00:00
Curl error (37): Couldn‘t read a file:// file for file:///etc/pki/rpm-gpg/RPM-GPG-KEY-fedora-x86_64 [Couldn‘t open file /e   tc/pki/rpm-gpg/RPM-GPG-KEY-fedora-x86_64]
The downloaded packages were saved in cache until the next successful transaction.
You can remove cached packages by executing ‘dnf clean packages‘.
-->[root@localhost rpm-gpg]# rpmkeys --import /etc/pki/rpm-gpg/RPM-GPG-KEY-fedora-31-x86_64
问题解决啦
[root@localhost rpm-gpg]# yum install python3-pip
Fedora 31 - x86_64 - Updates - aliyun                                                     347 kB/s | 8.1 kB     00:00
Fedora 31 - x86_64 - aliyun                                                               366 kB/s | 6.1 kB     00:00
Dependencies resolved.
==========================================================================================================================
 Package                           Architecture            Version                         Repository                Size
==========================================================================================================================
Installing:
 python3-pip                       noarch                  19.1.1-7.fc31                   updates                  1.6 M
Installing weak dependencies:
 libxcrypt-compat                  x86_64                  4.4.10-1.fc31                   fedora                   100 k
Transaction Summary
==========================================================================================================================
Install  2 Packages
Total size: 1.7 M
Installed size: 7.8 M
Is this ok [y/N]: y
Downloading Packages:
[SKIPPED] python3-pip-19.1.1-7.fc31.noarch.rpm: Already downloaded
[SKIPPED] libxcrypt-compat-4.4.10-1.fc31.x86_64.rpm: Already downloaded
Running transaction check
Transaction check succeeded.
Running transaction test
Transaction test succeeded.
Running transaction
  Preparing        :                                                                                                  1/1
  Installing       : libxcrypt-compat-4.4.10-1.fc31.x86_64                                                            1/2
  Installing       : python3-pip-19.1.1-7.fc31.noarch                                                                 2/2
  Running scriptlet: python3-pip-19.1.1-7.fc31.noarch                                                                 2/2
  Verifying        : python3-pip-19.1.1-7.fc31.noarch                                                                 1/2
  Verifying        : libxcrypt-compat-4.4.10-1.fc31.x86_64                                                            2/2
Installed:
  python3-pip-19.1.1-7.fc31.noarch                          libxcrypt-compat-4.4.10-1.fc31.x86_64
Complete!
原文:https://www.cnblogs.com/clairedandan/p/12788718.html