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Added error message for empty builder - Issue #71

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This commit is contained in:
Roger Maitland 2023-04-16 13:46:20 -04:00
parent 668491514c
commit 632bba2753
1 changed files with 4 additions and 0 deletions
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4
src/build123d/build_common.py
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@ -200,6 +200,10 @@ class Builder(ABC):
logger.debug(
"Transferring object(s) to %s", type(self.builder_parent).__name__
)
if self._obj is None:
raise RuntimeError(
f"{self._obj_name} is None - {self._tag} didn't create anything"
)
self.builder_parent._add_to_context(self._obj, mode=self.mode)
self.exit_workplanes = WorkplaneList._get_context().workplanes