Fix handling of BackendV1 simulators in PassManagerConfig.from_backend (backport #9719) #9725
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#9719) This commit fixes two small oversights that would appear when calling PassManagerConfig.from_backend() with a simulator BackendV1 backend. The handling of optional fields in the BackendProperties and PulseDefaults objects for BackendV1 backends was missing that a BackendProperties object's gates field could be None and that the defaults() method could return None in the absense of any pulse calibrations (both of which typically only are True for simulators). In these cases this would cause an error constructing the InstructionDurations object and the InstructionScheduleMap object respectively. This fixes the handling of these edge cases so that PassManagerConfig.from_backend() will work with any BackendV1 based backend. Fixes #8546 Fixes #9265 Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com> (cherry picked from commit 35feded)
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jakelishman
approved these changes
Mar 3, 2023
jakelishman
added
Changelog: Bugfix
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This is an automatic backport of pull request #9719 done by Mergify.
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