heap command is giving error

[pchoudhary-jnpr]

Environment: CentOS-7.5
Python - python27
Core - C++ core file
[root@nodea14 gdb-heap]# gdb ~/contrail-vrouter-agent.debug ~/core.contrail-vroute.3812.compute-2zgo.dus1.cloud.ecg.so.1591439024 -x gdb-heap-commands

(gdb) heap
Python Exception <type 'exceptions.TypeError'> iter() returned non-iterator of type 'ProgressNotifier':
Error occurred in Python command: iter() returned non-iterator of type 'ProgressNotifier'

Could you please help me how to fix the above error ?

[guifrecuni]

Yes, same here...