Downgrade Base Fails

[Safewaan]

super low priority fix, but docker exec -it SHOW-backend /bin/bash -c "flask db downgrade base" fails. Here is the error message:

Traceback (most recent call last):
  File "/usr/local/lib/python3.7/site-packages/sqlalchemy/engine/base.py", line 1969, in _exec_single_context
    cursor, str_statement, effective_parameters, context
  File "/usr/local/lib/python3.7/site-packages/sqlalchemy/engine/default.py", line 920, in do_execute
    cursor.execute(statement, parameters)
psycopg2.errors.NotNullViolation: column "resident_first_name" contains null values