我正在尝试使用pip安装django-heroku，但它始终会遇到错误。
我已经看到建议告诉我确保我在heroku中的python版本是最新的建议。我已经做到了。推送到heroku master之后，我运行了install命令，但它给了我以下错误。
pip install django-heroku
错误：
ERROR: Command errored out with exit status 1:
command: /Users/user/Dev/trydjango/new_env/bin/python -c 'import
sys, setuptools, tokenize; sys.argv[0] =
'"'"'/private/var/folders/xl/s533dc515qs8sd3tpg7y5ty80000gp/T/pip-
install-xqsix26g/psycopg2/setup.py'"'"';
egg_info --egg-base pip-egg-info
cwd:
/private/var/folders/xl/s533dc515qs8sd3tpg7y5ty80000gp/T/pip-
install-xqsix26g/psycopg2/
Complete output (23 lines):
running egg_info
creating pip-egg-info/psycopg2.egg-info
writing pip-egg-info/psycopg2.egg-info/PKG-INFO
writing dependency_links to pip-egg-info/psycopg2.egg-
info/dependency_links.txt
writing top-level names to pip-egg-info/psycopg2.egg-
info/top_level.txt
writing manifest file 'pip-egg-info/psycopg2.egg-info/SOURCES.txt'
Error: pg_config executable not found.
pg_config is required to build psycopg2 from source. Please add t . he directory
containing pg_config to the …