CoverView gives an error when the GUI output is requested

[andyrimmer]

The output below is what happens when the option gui: true is set in the JSON config.

-05-19 10:01:50,478 - INFO - /Users/munz/root/work/projects/CoverView/test/test_18052017/CoverView/env/bin/CoverView.py - Line 292 - CoverView v1.2.0 started running
2017-05-19 10:01:50,480 - INFO - /Users/munz/root/work/projects/CoverView/test/test_18052017/CoverView/env/bin/CoverView.py - Line 314 - Running CoverView v1.2.0 with options
2017-05-19 10:01:50,480 - INFO - /Users/munz/root/work/projects/CoverView/test/test_18052017/CoverView/env/bin/CoverView.py - Line 315 - Namespace(bedfile='/Users/munz/root/work/projects/CoverView/data/GIAB/TSCP_coverviewInput.bed', config='config.json', input='/Users/munz/root/work/projects/CoverView/data/GIAB/15680_sorted_picard.bam', output='giab')
2017-05-19 10:01:50,480 - INFO - /Users/munz/root/work/projects/CoverView/test/test_18052017/CoverView/env/bin/CoverView.py - Line 316 - {'only_fail_profiles': False, 'low_bq': 10, 'direction': True, u'reference': u'/Users/munz/root/work/data/genomes/GRCh37/human_g1k_v37.fasta', 'transcript_db': None, 'low_mq': 20, 'duplicates': True, 'outputs': {'regions': True, 'gui': True, 'profiles': True}, 'pass': {u'MINQCOV_MIN': 15}, 'transcript': {'regions': True, 'profiles': True}}
Traceback (most recent call last):
File "/Users/munz/root/work/projects/CoverView/test/test_18052017/CoverView/env/bin/CoverView.py", line 336, in
create_gui_output_directory()
File "/Users/munz/root/work/projects/CoverView/test/test_18052017/CoverView/env/bin/CoverView.py", line 296, in create_gui_output_directory
_logger("Creating output directory structure for GUI")
TypeError: 'Logger' object is not callable