Debugged missing selfes

tzis/tzis.py

@@ -179,7 +179,7 @@ class Tzis():
 
     def _sel_range_for_chunk(self, ds, startindex, endindex, chunkdim):
         if chunkdim == "time" :
-            return self._sel_range_for_chunk_by_time(self, ds, startindex, endindex)
+            return self._sel_range_for_chunk_by_time(ds, startindex, endindex)
         else:
             raise ValueError('Other chunk dimensions than "time" are not supported yet.')