$ insane -o prot.gro -f ../data/inputs/1a0s/CG1a0s.pdb -sol W -salt 0
Traceback (most recent call last):
File "/home/jon/Envs/tsjerk/bin/insane", line 11, in <module>
load_entry_point('insane', 'console_scripts', 'insane')()
File "/home/jon/dev/Insane/insane/cli.py", line 161, in cli
sys.exit(main(sys.argv))
File "/home/jon/dev/Insane/insane/cli.py", line 142, in main
box) = core.old_main(argv, options)
File "/home/jon/dev/Insane/insane/core.py", line 1195, in old_main
solvent, added = setup_solvent(pbc, protein, membrane, options)
File "/home/jon/dev/Insane/insane/core.py", line 680, in setup_solvent
charge = (options["charge"] != "auto") and int(options["charge"]) or charge
UnboundLocalError: local variable 'charge' referenced before assignment