old_contents: import pandas as pd
  import pkg_resources as pr
  
  from . import io
  
  
  def read_metadata(f):
      df = pd.read_csv(f, header=None, delim_whitespace=True)
      return df.rename(columns={0: 'id', 1: 'pixres', 14: 'lit_status'})
  
  with pr.resource_stream('pyciss', 'data/metadata.txt') as f:
      meta_df = read_metadata(f)
  
  
  with pr.resource_stream('pyciss', 'data/ring_resonances.csv') as f:
      df = pd.read_csv(f)
  
new_contents: import pandas as pd
  import pkg_resources as pr
  
  from . import io
  
  
  def read_metadata(f):
      df = pd.read_csv(f, header=None, delim_whitespace=True)
      return df.rename(columns={0: 'id', 1: 'pixres', 14: 'lit_status'})
  
  with pr.resource_stream('pyciss', 'data/metadata.txt') as f:
      meta_df = read_metadata(f)
  
  
  with pr.resource_stream('pyciss', 'data/ring_resonances.csv') as f:
      resonances = pd.read_csv(f)
  
subject: add ring resonances data files to data section and meta module