diff --git a/accountant/api/views/operations.py b/accountant/api/views/operations.py
index 4182bd9..fe17dd4 100644
--- a/accountant/api/views/operations.py
+++ b/accountant/api/views/operations.py
@@ -43,6 +43,8 @@ operation_with_sold_model = {
     'canceled': fields.Boolean,
 }
 
+operation_model = operation_with_sold_model
+
 parser = reqparse.RequestParser()
 # Must use lambda because the parser passes other parameters badly interpreted
 # by dateutil.parser.parse
diff --git a/accountant/api/views/scheduled_operations.py b/accountant/api/views/scheduled_operations.py
index 0108bf0..3c2644d 100644
--- a/accountant/api/views/scheduled_operations.py
+++ b/accountant/api/views/scheduled_operations.py
@@ -17,7 +17,6 @@
 import dateutil.parser
 
 from flask.ext.restful import Resource, fields, reqparse, marshal_with_field
-from flask.ext.restplus import Resource, fields, marshal_with_field
 
 from sqlalchemy import true
 from sqlalchemy.orm.exc import NoResultFound