Stuck on an issue?

Lightrun Answers was designed to reduce the constant googling that comes with debugging 3rd party libraries. It collects links to all the places you might be looking at while hunting down a tough bug.

And, if you’re still stuck at the end, we’re happy to hop on a call to see how we can help out.

Calc failing if start_idx is given as a setting

See original GitHub issue

161207-21:12:54,768 workflow INFO:
	 Traceback (most recent call last):
  File "/src/nipype/nipype/pipeline/plugins/linear.py", line 43, in run
    node.run(updatehash=updatehash)
  File "/src/nipype/nipype/pipeline/engine/nodes.py", line 367, in run
    self._run_interface()
  File "/src/nipype/nipype/pipeline/engine/nodes.py", line 477, in _run_interface
    self._result = self._run_command(execute)
  File "/src/nipype/nipype/pipeline/engine/nodes.py", line 597, in _run_command
    cmd = self._interface.cmdline
  File "/src/nipype/nipype/interfaces/base.py", line 1677, in cmdline
    self._check_mandatory_inputs()
  File "/src/nipype/nipype/interfaces/base.py", line 978, in _check_mandatory_inputs
    self._check_requires(spec, name, getattr(self.inputs, name))
  File "/src/nipype/nipype/interfaces/base.py", line 948, in _check_requires
    raise ValueError(msg)
ValueError: Calc requires a value for input 'start_idx' because one of stop_idx is set. For a list of required inputs, see Calc.help()

Settings were: {'work_dir': '/data/mriqc_test/work', 'report_dir': '/data/mriqc_test/out/reports', 'hmc_afni': True, 'n_procs': 1, 'verbose_reports': False, 'testing': False, 'ants_nthreads': 6, 'write_graph': True, 'deoblique': True, 'output_dir': '/data/mriqc_test/out', 'correct_slice_timing': True, 'bids_dir': '/data/mriqc_test/bids_data', 'start_idx': 5, 'despike': True}