add parameter immutable to some graph products in sage/graphs/generic_graph.py
#1826
| Job | Run time |
|---|---|
| 58m 16s | |
| 54m 33s | |
| 55m 9s | |
| 2h 47m 58s |
immutable to some graph products in sage/graphs/generic_graph.py
#1826
| Job | Run time |
|---|---|
| 58m 16s | |
| 54m 33s | |
| 55m 9s | |
| 2h 47m 58s |