my wdl file :
https://github.com/admi2u/blast_wdl/blob/master/blast.wdl#L74

while convert this file to cwl use wdl2cwl script, report this error:
Traceback (most recent call last): File "/root/wdl-cwl-translator/wdl2cwl/main.py", line 726, in get_workflow_outputs self, output_source = item_expr.expr.name[::-1].replace(".", "/", 1)[::-1] AttributeError: 'Apply' object has no attribute 'expr'

how can i fix this problem?