Fix db import in views.

accountant/views/accounts.py

@@ -17,8 +17,8 @@
 import dateutil.parser
 
 from flask_restplus import Namespace, Resource, fields, marshal_with_field
-from accountant import db
 
+from ..models import db
 from ..models.accounts import Account
 from ..models.operations import Operation
 

accountant/views/operations.py

@@ -17,8 +17,8 @@
 import dateutil.parser
 
 from flask_restplus import Namespace, Resource, fields, marshal_with_field
-from accountant import db
 
+from ..models import db
 from ..models.accounts import Account
 from ..models.operations import Operation
 

accountant/views/scheduled_operations.py

@@ -18,8 +18,7 @@ from flask_restplus import Namespace, Resource, fields, marshal_with_field
 
 from sqlalchemy import true
 
-from accountant import db
+from ..models import db
-
 from ..models.accounts import Account
 from ..models.operations import Operation
 from ..models.scheduled_operations import ScheduledOperation