gistfile1.txt

$ cwltool --debug test.cwl
/home/pvh/.virtualenvs/cwltool/bin/cwltool 1.0.20180403145700
Resolved 'test.cwl' to 'file:///home/pvh/Documents/code/cwl/testtool/test.cwl'
I'm sorry, I couldn't load this CWL file.  The error was:
Traceback (most recent call last):
  File "/home/pvh/.virtualenvs/cwltool/local/lib/python2.7/site-packages/cwltool/main.py", line 483, in main
    do_validate=args.do_validate)
  File "/home/pvh/.virtualenvs/cwltool/local/lib/python2.7/site-packages/cwltool/load_tool.py", line 276, in validate_document
    _convert_stdstreams_to_files(workflowobj)
  File "/home/pvh/.virtualenvs/cwltool/local/lib/python2.7/site-packages/cwltool/load_tool.py", line 151, in _convert_stdstreams_to_files
    if inp.get('type') == 'stdin':
AttributeError: 'unicode' object has no attribute 'get'