code: def prj_create_seq(self, *args, **kwargs):
          
          if not self.cur_prj:
              return
          seq = self.create_seq(project=self.cur_prj)
          if seq:
              seqdata = djitemdata.SequenceItemData(seq)
              treemodel.TreeItem(seqdata, self.prj_seq_model.root)
docs: Create a new Sequence for the current project
  
          :returns: None
          :rtype: None
          :raises: None