Node: fmriprep_wf.single_subject_01_wf.anat_preproc_wf.anat_derivatives_wf.raw_sources
Working directory: /work/fmriprep_wf/single_subject_01_wf/anat_preproc_wf/anat_derivatives_wf/raw_sources

Node inputs:

bids_root = /data
function_str = def _bids_relative(in_files, bids_root):
    from pathlib import Path

    if not isinstance(in_files, (list, tuple)):
        in_files = [in_files]
    in_files = [str(Path(p).relative_to(bids_root)) for p in in_files]
    return in_files

in_files = <undefined>

Traceback (most recent call last):
  File "/opt/conda/lib/python3.8/site-packages/nipype/pipeline/plugins/multiproc.py", line 67, in run_node
    result["result"] = node.run(updatehash=updatehash)
  File "/opt/conda/lib/python3.8/site-packages/nipype/pipeline/engine/nodes.py", line 443, in run
    cached, updated = self.is_cached()
  File "/opt/conda/lib/python3.8/site-packages/nipype/pipeline/engine/nodes.py", line 332, in is_cached
    hashed_inputs, hashvalue = self._get_hashval()
  File "/opt/conda/lib/python3.8/site-packages/nipype/pipeline/engine/nodes.py", line 538, in _get_hashval
    self._get_inputs()
  File "/opt/conda/lib/python3.8/site-packages/nipype/pipeline/engine/nodes.py", line 580, in _get_inputs
    outputs = _load_resultfile(results_fname).outputs
  File "/opt/conda/lib/python3.8/site-packages/nipype/pipeline/engine/utils.py", line 293, in load_resultfile
    result = loadpkl(results_file)
  File "/opt/conda/lib/python3.8/site-packages/nipype/utils/filemanip.py", line 666, in loadpkl
    raise e
  File "/opt/conda/lib/python3.8/site-packages/nipype/utils/filemanip.py", line 643, in loadpkl
    unpkl = pickle.loads(pkl_contents)
  File "/opt/conda/lib/python3.8/site-packages/traits/has_traits.py", line 1341, in __setstate__
    self.trait_set(trait_change_notify=trait_change_notify, **state)
  File "/opt/conda/lib/python3.8/site-packages/traits/has_traits.py", line 1434, in trait_set
    setattr(self, name, value)
  File "/opt/conda/lib/python3.8/site-packages/nipype/interfaces/base/traits_extension.py", line 330, in validate
    value = super(File, self).validate(objekt, name, value, return_pathlike=True)
  File "/opt/conda/lib/python3.8/site-packages/nipype/interfaces/base/traits_extension.py", line 135, in validate
    self.error(objekt, name, str(value))
  File "/opt/conda/lib/python3.8/site-packages/traits/base_trait_handler.py", line 74, in error
    raise TraitError(
traits.trait_errors.TraitError: The 'out_report' trait of a _TemplateDimensionsOutputSpec instance must be a pathlike object or string representing an existing file, but a value of '/scratch/fmriprep_wf/single_subject_01_wf/anat_preproc_wf/anat_template_wf/t1w_ref_dimensions/report.html' <class 'str'> was specified.