import_step: do not assign labels to Compound.for_construction #663
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This is a proposed fix for #662.
After importing a STEP file, the
for_construction
attribute ofCompound
s contain anOCP.TDF.TDF_Label
. This will makeShape.__deepcopy__
fail because the label is not pickleable.I removed the assignment of
TDF_Label
s tofor_construction
in the STEP import, and pass the label as a function argument tobuild_assembly
instead.I tried importing a few STEP files and it appears to work. WDYT?