old_contents: """
  SunPy's TimeSeries module provides a datatype for 1D time series data, replacing
  the SunPy LightCurve module.
  
  Currently the objects can be instansiated from files (such as CSV and FITS) and
  urls to these files, but don't include data downloaders for their specific
  instruments as this will become part of the universal downloader.
  """
  from __future__ import absolute_import
  from sunpy.timeseries.metadata import TimeSeriesMetaData
  from sunpy.timeseries.timeseries_factory import TimeSeries
  from sunpy.timeseries.timeseriesbase import GenericTimeSeries
  from sunpy.timeseries.sources.eve import EVESpWxTimeSeries
  from sunpy.timeseries.sources.goes import XRSTimeSeries
  from sunpy.timeseries.sources.noaa import NOAAIndicesTimeSeries, NOAAPredictIndicesTimeSeries
  from sunpy.timeseries.sources.lyra import LYRATimeSeries
  from sunpy.timeseries.sources.norh import NoRHTimeSeries
  from sunpy.timeseries.sources.rhessi import RHESSISummaryTimeSeries
  from sunpy.timeseries.sources.fermi_gbm import GBMSummaryTimeSeries
  
  # register pandas datetime converter with matplotlib
  # This is to work around the change in pandas-dev/pandas#17710
  import pandas.plotting._converter
  pandas.plotting._converter.register()
  
new_contents: """
  SunPy's TimeSeries module provides a datatype for 1D time series data, replacing
  the SunPy LightCurve module.
  
  Currently the objects can be instansiated from files (such as CSV and FITS) and
  urls to these files, but don't include data downloaders for their specific
  instruments as this will become part of the universal downloader.
  """
  from __future__ import absolute_import
  from sunpy.timeseries.metadata import TimeSeriesMetaData
  from sunpy.timeseries.timeseries_factory import TimeSeries
  from sunpy.timeseries.timeseriesbase import GenericTimeSeries
  from sunpy.timeseries.sources.eve import EVESpWxTimeSeries
  from sunpy.timeseries.sources.goes import XRSTimeSeries
  from sunpy.timeseries.sources.noaa import NOAAIndicesTimeSeries, NOAAPredictIndicesTimeSeries
  from sunpy.timeseries.sources.lyra import LYRATimeSeries
  from sunpy.timeseries.sources.norh import NoRHTimeSeries
  from sunpy.timeseries.sources.rhessi import RHESSISummaryTimeSeries
  from sunpy.timeseries.sources.fermi_gbm import GBMSummaryTimeSeries
  
  
  try:
      # register pandas datetime converter with matplotlib
      # This is to work around the change in pandas-dev/pandas#17710
      import pandas.plotting._converter
      pandas.plotting._converter.register()
  except ImportError:
      pass
  
subject: put the import in a try block for old pandas versions