qiskit/releasenotes/notes/2.0/fix-pauli-sympify-ea9acceb2...

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fixes:
- |
Fixed an inconsistency in the circuit generated by a Pauli evolution synthesis
with :class:`.SuzukiTrotter` or :class:`.LieTrotter` (the default) method.
For parameterized evolution times, the resulting circuits contained parameters
with a spurious, zero complex part, which affected the output of
:meth:`.ParameterExpression.sympify`. The output now correctly is only real.
Fixed `#13642 <https://github.com/Qiskit/qiskit/pull/13642>`__.