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Correting times in modelchain #780

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4 changes: 3 additions & 1 deletion pvlib/modelchain.py
Original file line number Diff line number Diff line change
Expand Up @@ -793,6 +793,8 @@ def complete_irradiance(self, times=None, weather=None):
self.weather = weather
if times is not None:
self.times = times
elif isinstance(weather.index, pd.DatetimeIndex):
self.times = weather.index
self.solar_position = self.location.get_solarposition(
self.times, method=self.solar_position_method)
icolumns = set(self.weather.columns)
Expand All @@ -803,7 +805,7 @@ def complete_irradiance(self, times=None, weather=None):

if {'ghi', 'dhi'} <= icolumns and 'dni' not in icolumns:
clearsky = self.location.get_clearsky(
times, solar_position=self.solar_position)
self.times, solar_position=self.solar_position)
self.weather.loc[:, 'dni'] = pvlib.irradiance.dni(
self.weather.loc[:, 'ghi'], self.weather.loc[:, 'dhi'],
self.solar_position.zenith,
Expand Down