Explicit encoding fixes around invoices

1 files changed, 2 insertions, 2 deletions

diff --git a/postgresqleu/util/misc/baseinvoice.py b/postgresqleu/util/misc/baseinvoice.py
index f66deb55..3ed16faf 100755
--- a/postgresqleu/util/misc/baseinvoice.py
+++ b/postgresqleu/util/misc/baseinvoice.py
@@ -14,7 +14,7 @@ from reportlab.platypus.flowables import Image
 from reportlab.pdfbase.pdfmetrics import registerFont
 from reportlab.pdfbase.ttfonts import TTFont
 import qrencode
-import cStringIO as StringIO
+from io import BytesIO
 
 from django.conf import settings
 
@@ -27,7 +27,7 @@ class PDFBase(object):
     sendertext = settings.ORG_NAME
 
     def __init__(self, recipient):
-        self.pdfdata = StringIO.StringIO()
+        self.pdfdata = BytesIO()
         self.canvas = Canvas(self.pdfdata)
 
         self.recipient = recipient