Check that events exist

webinterface.py

@@ -3665,6 +3665,7 @@ def htmlCalendarDay(translate: {}, \
     calendarStr+='</caption>\n'
     calendarStr+='<tbody>\n'
 
+    if dayEvents:
         for eventPost in dayEvents:
             eventTime=None
             eventDescription=None
@@ -3747,6 +3748,7 @@ def htmlCalendar(translate: {}, \
     if dayNumber:
         dayEvents=None
         events=getTodaysEvents(baseDir,nickname,domain,year,monthNumber,dayNumber)
+        if events:
             if events.get(str(dayNumber)):
                 dayEvents=events[str(dayNumber)]
         return htmlCalendarDay(translate,baseDir,path, \