mirror of https://github.com/Qiskit/qiskit.git
11 lines
495 B
YAML
11 lines
495 B
YAML
---
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upgrade:
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- |
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Support for the use of the ``USE_RETWORKX`` environment variable which was
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introduced in the 0.13.0 release to provide an optional fallback to the
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legacy `networkx <https://networkx.github.io/>`__ based
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:class:`qiskit.dagcircuit.DAGCircuit` implementation
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has been removed. This flag was only intended as provide a relief valve
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for any users that encountered a problem with the new implementation for
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one release during the transition to retworkx.
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