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overflow plots badly formatted

The overflow plugin has been failing with the following issue:

2019-04-04 08:39:54,221 [overflows.find_overflows] plotting WIDE ADC overflows for ASC subsystem
2019-04-04 08:39:58,322 [overflows.find_overflows] plotting WIDE ADC overflows for OMC subsystem
2019-04-04 08:40:00,308 [overflows.find_overflows] plotting WIDE ADC overflows for LSC subsystem
2019-04-04 08:40:02,505 [overflows.find_overflows] plotting WIDE ADC overflows overview
2019-04-04 08:40:02,657 [analyze.analyze_event] exception in find_overflows:
Traceback (most recent call last):
  File "/home/lockloss/src/locklost/locklost/analyze.py", line 34, in analyze_event
    func(event)
  File "/home/lockloss/src/locklost/locklost/plugins/overflows.py", line 115, in find_overflows
    fig.tight_layout(pad=0.1)
  File "/usr/lib64/python2.7/site-packages/matplotlib/figure.py", line 1538, in tight_layout
    self.subplots_adjust(**kwargs)
  File "/usr/lib64/python2.7/site-packages/matplotlib/figure.py", line 1403, in subplots_adjust
    self.subplotpars.update(*args, **kwargs)
  File "/usr/lib64/python2.7/site-packages/matplotlib/figure.py", line 217, in update
    raise ValueError('left cannot be >= right')
ValueError: left cannot be >= right

For now I am commenting out line 115 in overflows.py, so that the follows don't fail. But this results in badly formed plots:

Edited by Jameson Rollins
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