pk_cpp is not removed if kernel changes which keeps reporting an error

[gliga]

The following example leads to an error:

import pykokkos as pk

@pk.workunit
def map_d(i):
    #i += 1                                                                                                                                                                                                                                                                                                                                           
    pass

def main():
    SIZE = 2
    pk.parallel_for(SIZE, map_d)

main()

This happens as we do not support pass (but that is a side comment only). The key is that this results in an error.

Once I "fix" the kernel and have the resulting (correct) code:

import pykokkos as pk

@pk.workunit
def map_d(i):
    i += 1

def main():
    SIZE = 2
    pk.parallel_for(SIZE, map_d)

main()

I am still getting the same error as before. Only after deleting pk_cpp in between kernel updates, the error goes away and my example runs properly.

Action: Remove pk_cpp when kernel changes.

Used pykokkos: 2e0b664c2aec1c923c55a7dc5958fc19f0c327cd
Used command: ./pk pk_example X.py