[sickbed] improve load page

netforce_clinic/models/sickbed.py

@@ -14,7 +14,8 @@ class SickBed(Model):
             image=None
             date=''
             set_active_user(1) #FIXME permission denined because of department of patient
-            for hd_case in sorted(obj.hd_cases, key=lambda a: a.id):
+            if obj.hd_cases:
+                hd_case=sorted(obj.hd_cases, key=lambda a: a.id)[-1]
                 patient=hd_case.patient_id
                 patient_id=patient.id
                 image=patient.image