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TypeError
Python 3.6.9: /home/ajh/binln/python3
Sun Dec 3 17:45:04 2023

A problem occurred in a Python script. Here is the sequence of function calls leading up to the error, in the order they occurred.

 /home/ajh/public_html/cgi-bin/solar.py in <module>()
     63 page+='<h1>Solar Generation Plots at 5 Fran Court on {}</h1>\n'.format(date)
     64 page+='</div>\n'
=>   65 chart=EnergyChart.EnergyChart(date)
     66 energyOK=chart.drawBattery()
     67 power=chart.powerGen()
chart undefined, EnergyChart = <module 'EnergyChart' from '/home/ajh/public_html/cgi-bin/EnergyChart.py'>, EnergyChart.EnergyChart = <class 'EnergyChart.EnergyChart'>, date = '20231203'
 /home/ajh/public_html/cgi-bin/EnergyChart.py in __init__(self=<EnergyChart.EnergyChart object>, date='20231203')
     75     self.totgrid=0.0
     76     lastt=0.0
=>   77     for line in logfile:
     78       res=re.match('([0-9]+):([0-9]*) +'+logPat+'(-?\d+\.\d+)$',line)
     79       if not res:
line undefined, logfile = None

TypeError: 'NoneType' object is not iterable
      args = ("'NoneType' object is not iterable",)
      with_traceback = <built-in method with_traceback of TypeError object>