Error generating normalized bigwig files

[sjhosui]

I'm trying to get haystack up and running but get an out of range error generating the bigwig files. This is the output after running haystack_run_test.

I get a similar error when running on real data.

Thanks, Shannan

sambamba 0.7.0
by Artem Tarasov and Pjotr Prins (C) 2012-2019
LDC 1.13.0 / DMD v2.083.1 / LLVM7.0.0 / bootstrap LDC - the LLVM D compiler (0.17.6)

sambamba-view: not enough data in stream
Traceback (most recent call last):
File "/Users/shosui/miniconda2/bin/haystack_hotspots", line 10, in <module>
sys.exit(main())
File "/Users/shosui/miniconda2/lib/python2.7/site-packages/haystack/find_hotspots.py", line 1002, in main
args.read_ext)
File "/Users/shosui/miniconda2/lib/python2.7/site-packages/haystack/find_hotspots.py", line 460, in to_normalized_extended_reads_tracks
scaling_factor = get_scaling_factor(bam_filename)
File "/Users/shosui/miniconda2/lib/python2.7/site-packages/haystack/find_hotspots.py", line 63, in get_scaling_factor
scaling_factor = (1.0 / float(stdout.strip())) * 1000000
ValueError: could not convert string to float: 
Traceback (most recent call last):
File "/Users/shosui/miniconda2/bin/haystack_pipeline", line 10, in <module>
sys.exit(main())
File "/Users/shosui/miniconda2/lib/python2.7/site-packages/haystack/run_pipeline.py", line 258, in main
'Background_for_%s*.bed' % sample_name))[0]
IndexError: list index out of range
INFO  @ Mon, 23 Sep 2019 13:33:47:
 Test completed successfully