python pip3 安装psycopg2报错

[root@edb ~]$ pip3 install psycopg2
Defaulting to user installation because normal site-packages is not writeable
Collecting psycopg2
  Using cached psycopg2-2.9.3.tar.gz (380 kB)
  Preparing metadata ( … error
  error: subprocess-exited-with-error

  × python egg_info did not run successfully.
  │ exit code: 1
  ╰─> [1 lines of output]
      ERROR: Can not execute `` since setuptools is not available in the build environment.
      [end of output]

  note: This error originates from a subprocess, and is likely not a problem with pip.
error: metadata-generation-failed

× Encountered error while generating package metadata.
╰─> See above for output.

note: This is an issue with the package mentioned above, not pip.
hint: See above for details.


[root@edb ~]$ pip3 install --upgrade setuptools
[root@edb ~]$ pip3 install psycopg2


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