robquant
diff --git a/‎webuntis/session.py‎
Lines changed: 8 additions & 1 deletion b/‎webuntis/session.py‎
Lines changed: 8 additions & 1 deletion
@@ -275,6 +275,10 @@ def statusdata(self):
 
     @result_wrapper
     def lastImportTime(self):
+        """
+
+        :rtype: py:class:`webuntis.objects.TimeStampObject`
+        """
         return objects.TimeStampObject, 'getLatestImportTime', {}
 
     @result_wrapper
@@ -288,7 +292,6 @@ def substitutions(self, start, end, departmentId=0):
         :type end: :py:class:`datetime.datetime` or  :py:class:`datetime.date` or int
         :param end: The end of the time period.
 
-        TODO: departmentId=None
         :param departmentId:  int
         :return:
         :rtype: :py:class:`webuntis.objects.Substitutions`
@@ -313,6 +316,10 @@ def substitutions(self, start, end, departmentId=0):
 
     @result_wrapper
     def timegridUnits(self):
+        """
+
+        :rtype: :py:class:`webuntis.objects.TimegridObject`
+        """
         return objects.TimegridObject, 'getTimegridUnits', {}