Commits on Nov 18, 2023

1. Fix issue with ScheduleBlock qpy serialization and use_symengine (#11261 …

   )
   
   * Fix issue with ScheduleBlock qpy serialization and use_symengine
   
   This commit fixes an issue with the use_symengine flag on the qpy.dump()
   function. Previously in certain conditions a symengine expression that
   was listed in the qpy header as being encoded via symengine was
   incorrectly being serialized using sympy. This would cause a failure on
   deserialialization as the qpy payload was invalid and symengine could
   not parse a symengine representation.
   
   This was originally caught during the development of #10902 as that
   switches the default of use_symengine to ``True`` as it makes symengine
   a hard requirement. This commit splits it out so the isolated fix can be
   backported to 0.45.1.
   
   * Skip symengine test if symengine isn't installed
   
   * Fix skip syntax
   
   * Update releasenotes/notes/fix-schedule-qpy-use-symengine-05ae1dfab73e3ff8.yaml
   
   Co-authored-by: Jake Lishman <jake@binhbar.com>
   
   ---------
   
   Co-authored-by: Jake Lishman <jake@binhbar.com>
   (cherry picked from commit 1dd4f54)

   

   mtreinish authored and mergify[bot] committed Nov 18, 2023
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