Patch segfault for HepMCs with missing weight names
Unfortunately, I missed an edge case: HepMC files without weight names will result in an out-of-range index seg fault. This is to patch this.
Reported by @aprice
Unfortunately, I missed an edge case: HepMC files without weight names will result in an out-of-range index seg fault. This is to patch this.
Reported by @aprice