updated code to work with django 2.0

1 files changed, 3 insertions, 3 deletions

diff --git a/app/expenses/models.py b/app/expenses/models.py
index ff33844..fbcdd7a 100644
--- a/app/expenses/models.py
+++ b/app/expenses/models.py
@@ -1,5 +1,5 @@
 from django.db import models
-from django.core.urlresolvers import reverse
+from django.urls import reverse
 from django.utils import timezone
 
 CATS = (
@@ -37,7 +37,7 @@ class Month(models.Model):
 class LuxExpense(models.Model):
     category = models.CharField(max_length=2, choices=CATS, default=1)
     amount = models.DecimalField(max_digits=8, decimal_places=2)
-    month = models.ForeignKey(Month, null=True)
+    month = models.ForeignKey(Month, on_delete=models.CASCADE, null=True)
 
     def __str__(self):
         return '%s-%s' %(self.month, self.get_category_display())
@@ -50,7 +50,7 @@ class Expense(models.Model):
     date = models.DateTimeField(default=timezone.now)
     notes = models.TextField(null=True, blank=True)
     category = models.CharField(max_length=2, choices=CATS, default=1)
-    trip = models.ForeignKey(Trip, null=True)
+    trip = models.ForeignKey(Trip, on_delete=models.CASCADE, null=True)
 
     class Meta:
         ordering = ('-date',)