Merge branch 'cthulahoops-large_imports'

fedireads/models/import_job.py

@@ -61,7 +61,7 @@ class ImportItem(models.Model):
     def get_book_from_db_isbn(self):
         ''' see if we already know about the book '''
         try:
-            return Edition.objects.get(isbn_13=self.isbn)
+            return Edition.objects.filter(isbn_13=self.isbn).first()
         except Edition.DoesNotExist:
             return None
 
@@ -89,7 +89,7 @@ class ImportItem(models.Model):
     def shelf(self):
         ''' the goodreads shelf field '''
         if self.data['Exclusive Shelf']:
-            return GOODREADS_SHELVES[self.data['Exclusive Shelf']]
+            return GOODREADS_SHELVES.get(self.data['Exclusive Shelf'])
 
     @property
     def review(self):