old_contents: import os
  import datetime
  
  current_year = datetime.datetime.now().year
  years_with_data = range(2011, current_year + 1)
  remote_path = "https://ssl.netfile.com/pub2/excel/COAKBrowsable/"
  
  for year in years_with_data:
    print "Downloading " + str(year) + " data..."
    filename_for_year = "efile_newest_COAK_" + str(year) + ".zip"
    os.system("wget " + remote_path + filename_for_year)
    os.system("unzip " + filename_for_year)
    os.system("rm " + filename_for_year)
  
new_contents: import os
  import datetime
  
  current_year = datetime.datetime.now().year
  years_with_data = range(2011, current_year + 1)
  remote_path = "https://ssl.netfile.com/pub2/excel/COAKBrowsable/"
  
  for year in years_with_data:
    print "Downloading " + str(year) + " data..."
    filename_for_year = "efile_newest_COAK_" + str(year) + ".zip"
    os.system("curl -f -L -O " + remote_path + filename_for_year)
    os.system("unzip " + filename_for_year)
    os.system("rm " + filename_for_year)
  
subject: Replace wget with curl to avoid Heroku buildpack sadness