[gossip] error loading psychopg2 module: no module named psychopg2

• In the use of Django Connect postgresql When it comes to databases , Use python manage.py migrate Prompt when creating the database ：
  django.core.exceptions.ImproperlyConfigured: Error loading psycopg2 module: No module named 'psycopg2'
• terms of settlement ：
  • apt install psycopg2 If it fails , Never mind
  • apt install libpq-dev perhaps apt install postgresql-server-dev-X.Y, One of them must be installed successfully
  • pip install psycopg2 Must be installed successfully .
  • Finally, remember to give it to you setting.py The database set inside , Set an access password , Otherwise, it will also report an error .
• To set the access password, please refer to Relevant commands here .