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FIX: Workflow raises exception if result is numpy array #339

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FIX: Workflow raises exception if result is numpy array #339

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9 changes: 7 additions & 2 deletions pydra/engine/helpers.py
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,7 @@
import typing as ty
import inspect
import warnings
import numpy as np


from .specs import (
Expand Down Expand Up @@ -156,8 +157,12 @@ def copyfile_workflow(wf_path, result):
for field in attr_fields(result.output):
value = getattr(result.output, field.name)
new_value = _copyfile_single_value(wf_path=wf_path, value=value)
if new_value != value:
setattr(result.output, field.name, new_value)
if isinstance(value, np.ndarray):
if not np.array_equal(value, new_value, equal_nan=True):
setattr(result.output, field.name, new_value)
elif new_value != value:
setattr(result.output, field.name, new_value)

return result


Expand Down