title: Django： ModuleNotFoundError: No module named 'psycopg2' on Mac
body: <p>I have installed psycopg2-binary 2.9.1(pip install psycopg2-binary) in virtualenv, but when I execute python manage.py migrate, that appears &quot;django.core.exceptions.ImproperlyConfigured: Error loading psycopg2 module: No module named 'psycopg2'&quot;, and python console also can't import psycopg2. how to fix the problem?</p>