handle unicode properly

smash/web/models/mail_template.py

@@ -327,10 +327,10 @@ class MailTemplate(models.Model):
                 '##S_KNOWN_LANGUAGES##': ", ".join([l.name for l in study_subject.subject.languages.all()])
             }
             if study_subject.health_partner is not None:
-                result["##S_HEALTH_PARTNER_NAME##"] = str(study_subject.health_partner.name)
-                result["##S_HEALTH_PARTNER_ADDRESS##"] = str(study_subject.health_partner.address)
-                result["##S_HEALTH_PARTNER_ZIP_CODE##"] = str(study_subject.health_partner.postal_code)
-                result["##S_HEALTH_PARTNER_CITY##"] = str(study_subject.health_partner.city)
+                result["##S_HEALTH_PARTNER_NAME##"] = unicode(study_subject.health_partner.name)
+                result["##S_HEALTH_PARTNER_ADDRESS##"] = unicode(study_subject.health_partner.address)
+                result["##S_HEALTH_PARTNER_ZIP_CODE##"] = unicode(study_subject.health_partner.postal_code)
+                result["##S_HEALTH_PARTNER_CITY##"] = unicode(study_subject.health_partner.city)
             else:
                 result["##S_HEALTH_PARTNER_NAME##"] = ""
                 result["##S_HEALTH_PARTNER_ADDRESS##"] = ""