members: Always open BIC list file in UTF-8 mode to avoid decoding is…

…sues

amelie/members/forms.py

@@ -625,7 +625,7 @@ def clean_bic(self):
             # handle if does not exist, throw error showing the command to run
             try:
                 # csv file can be updated with `python manage.py update_bic_csv`
-                with open(os.path.join(settings.MEDIA_ROOT, 'data/bic_list.csv')) as csv_file:
+                with open(os.path.join(settings.MEDIA_ROOT, 'data/bic_list.csv'), 'r', encoding="utf_8") as csv_file:
                     csv_reader = csv.reader(csv_file, delimiter=',')
                     next(csv_reader)  # skip the header
                     for row in csv_reader: