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fix: update incorrect removal timeline for QNode.add_transform #8266

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Merged
merged 4 commits into from
Sep 12, 2025
Merged

fix: update incorrect removal timeline for QNode.add_transform #8266

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andrijapau Sep 12, 2025
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andrijapau Sep 12, 2025
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oops docstring
andrijapau Sep 12, 2025
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oops test
andrijapau Sep 12, 2025
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3 changes: 2 additions & 1 deletion doc/releases/changelog-dev.md
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Original file line number Diff line number Diff line change
Expand Up @@ -876,9 +876,10 @@
Instead, these functions should be imported from the `pennylane.noise` module.
[(#7854)](https://github.com/PennyLaneAI/pennylane/pull/7854)

* The `qml.QNode.add_transform` method is deprecated and will be removed in v0.43.
* The `qml.QNode.add_transform` method is deprecated and will be removed in v0.44.
Instead, please use `QNode.transform_program.push_back(transform_container=transform_container)`.
[(#7855)](https://github.com/PennyLaneAI/pennylane/pull/7855)
[(#8266)](https://github.com/PennyLaneAI/pennylane/pull/8266)

<h3>Internal changes ⚙️</h3>

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4 changes: 2 additions & 2 deletions pennylane/workflow/qnode.py
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Expand Up @@ -675,13 +675,13 @@ def add_transform(self, transform_container: TransformContainer):

.. warning::

This method is deprecated and will be removed in v0.43. Instead, please use :meth:`~.TransformProgram.push_back` on
This method is deprecated and will be removed in v0.44. Instead, please use :meth:`~.TransformProgram.push_back` on
the ``QNode.transform_program`` property to add transforms to the transform program.

.. warning:: This is a developer facing feature and is called when a transform is applied on a QNode.
"""
warnings.warn(
"The `qml.QNode.add_transform` method is deprecated and will be removed in v0.43. "
"The `qml.QNode.add_transform` method is deprecated and will be removed in v0.44. "
"Instead, please use `QNode.transform_program.push_back(transform_container=transform_container)`.",
PennyLaneDeprecationWarning,
)
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2 changes: 1 addition & 1 deletion tests/test_qnode.py
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Expand Up @@ -46,7 +46,7 @@ def circuit(x):

with pytest.warns(
PennyLaneDeprecationWarning,
match="The `qml.QNode.add_transform` method is deprecated and will be removed in v0.43",
match="The `qml.QNode.add_transform` method is deprecated and will be removed in v0.44",
):
circuit.add_transform(
qml.transforms.core.TransformContainer(qml.gradients.param_shift.expand_transform)
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