<!-- 1. Please speak English, this is the language all of us can speak and write. 2. Please take a moment to check that your issue doesn't already exist. 3. Please give all relevant information below for bug reports, because incomplete details will be handled as an invalid report. --> # AerScript Information - Aer Version (or commit ref): 246b097fad - Operating System: Linux - System Architecture (eg. arm, x86_64, ...): x86_64 # Your problem description PH7 pass and return arrays by reference. This behaviour should be changed and a copy of array should be made instead.