nmlc ERROR: nmlc: An internal error has occurred:

nmlc-version: unknown

Error:    (TypeError) "unorderable types: int() <= ConstantNumeric()".

Command:  ['bin35/bin/nmlc', '-c', '-l', 'generated/lang', '--grf=generated/firs.grf', 'generated/firs.nml']

Location: File "bin35/lib/python3.5/site-packages/nml-unknown-py3.5-macosx-10.12-x86_64.egg/nml/output_base.py", line 129, in prepare_byte

 

make: *** [generated/firs.grf] Error 1