Summary: 6 instances, 5 unique

Text	Count
// TODO: Consider set_allocated_data.	2
// TODO: Add observation and action size functions (pre-load env)	1
// TODO: consider [ctype = STRING_VIEW] in proto file.	1
py::object env_init_;  // TODO: Make sure GIL is held when destroyed.	1
// TODO: Consider [ctype = STRING_VIEW] in proto file.	1