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我一直在尝试安装 psycopg2 ( pip install psycopg2)，但我不断收到此错误。

我也尝试过：pip install psycopg2-binary但我遇到了同样的错误。

这是错误消息：

    ERROR: Command errored out with exit status 1:
     command: 'c:\users\viktor\pycharmprojects\wemport\venv\scripts\python.exe' -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'C:\\Users\\Viktor\\AppData\\Local\\Temp\\pip-install-015ceiei\\psycop
g2\\setup.py'"'"'; __file__='"'"'C:\\Users\\Viktor\\AppData\\Local\\Temp\\pip-install-015ceiei\\psycopg2\\setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'
"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base 'C:\Users\Viktor\AppData\Local\Temp\pip-pip-egg-info-3shb13sl'
         cwd: C:\Users\Viktor\AppData\Local\Temp\pip-install-015ceiei\psycopg2\
    Complete output (23 lines):
    running egg_info
    creating C:\Users\Viktor\AppData\Local\Temp\pip-pip-egg-info-3shb13sl\psycopg2.egg-info
    writing C:\Users\Viktor\AppData\Local\Temp\pip-pip-egg-info-3shb13sl\psycopg2.egg-info\PKG-INFO
    writing dependency_links to C:\Users\Viktor\AppData\Local\Temp\pip-pip-egg-info-3shb13sl\psycopg2.egg-info\dependency_links.txt
    writing top-level names to C:\Users\Viktor\AppData\Local\Temp\pip-pip-egg-info-3shb13sl\psycopg2.egg-info\top_level.txt
    writing manifest file 'C:\Users\Viktor\AppData\Local\Temp\pip-pip-egg-info-3shb13sl\psycopg2.egg-info\SOURCES.txt'
    
    Error: pg_config executable not found.
    
    pg_config is required to build psycopg2 …