Issue with inject_frb.py

[parulj3795]

Even though sigproc is properly installed, I get the following error. I ran the test_*.py files and they work properly.
$ python inject_gaussian_fil.py --nfrb 5 --simulator injectfrb --dm_min 100. --dm_max 100. --outdir outputdir --upchan_factor 1 --upsamp_factor 1
Either could not load sigproc or create filterbank
sh: 1: inject_frb.py: not found

Also python2 inject_frb.py gives me the following error -
Traceback (most recent call last):
File "inject_frb.py", line 418, in
fn_fil = args[0]
IndexError: list index out of range