Installing psycopg2 command 'gcc' failed with exit status 1

Question

I'm trying to install psycopg2 but pip install psycopg2 brings to error: command 'gcc' failed with exit status 1

Command line tools are installed

MacOS 10.15

Answer 1

This is likely because you don't have the PostgreSQL devel library installed. You have a few options:

(1) Install the binary with pip install psycopg2-binary (2) Install PostgreSQL with HomeBrew: brew install postgresql , then pip install psycopg2 .

You can probably just install the binary.