Merged the "accounting.database" module into the "accounting" module. It has only one member as "db", the database instance, and does not need to be separated into another file.

src/accounting/account/commands.py

@@ -24,7 +24,7 @@ from secrets import randbelow
 import click
 from flask.cli import with_appcontext
 
-from accounting.database import db
+from accounting import db
 from accounting.models import BaseAccount, Account, AccountL10n
 from accounting.utils.user import has_user, get_user_pk
 

src/accounting/account/forms.py

@@ -23,7 +23,7 @@ from flask_wtf import FlaskForm
 from wtforms import StringField, BooleanField
 from wtforms.validators import DataRequired, ValidationError
 
-from accounting.database import db
+from accounting import db
 from accounting.locale import lazy_gettext
 from accounting.models import BaseAccount, Account
 from accounting.utils.random_id import new_id

src/accounting/account/views.py

@@ -23,7 +23,7 @@ from flask import Blueprint, render_template, session, redirect, flash, \
     url_for, request
 from werkzeug.datastructures import ImmutableMultiDict
 
-from accounting.database import db
+from accounting import db
 from accounting.locale import lazy_gettext
 from accounting.models import Account, BaseAccount
 from accounting.utils.next_url import inherit_next, or_next