pg_config executable not found

Question

I am having trouble installing psycopg2. I get the following error when I try to pip install psycopg2:

Error: pg_config executable not found.

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Answer 1

For those running OS X, this solution worked for me:

1) Install Postgres.app:

http://www.postgresql.org/download/macosx/

2) Then open the Terminal and run this command, replacing where it says {{version}} with the Postgres version number:

export PATH=$PATH:/Applications/Postgres.app/Contents/Versions/{{version}}/bin

e.g.

export PATH=$PATH:/Applications/Postgres.app/Contents/Versions/9.4/bin