old_contents: #!/usr/bin/env python
  
  # Parses an RDF file and writes it out pretty-printed.
  # Usage: pp_rdf <infile> <outfile>
  
  if __name__ == "__main__":
      import sys
      import spdx.file as spdxfile
      from spdx.parsers.rdf import Parser
      from spdx.parsers.loggers import StandardLogger
      from spdx.parsers.rdfbuilders import Builder
      from spdx.writers.rdf import write_document
  
      infile = sys.argv[1]
      outfile = sys.argv[2]
      p = Parser(Builder(), StandardLogger())
      with open(infile) as f:
          doc, error = p.parse(f)
          if not error:
              with open(outfile, mode="wb") as out:
                  write_document(doc, out)
  
          else:
              print("Errors while parsing")
  
new_contents: #!/usr/bin/env python
  
  # Parses an RDF file and writes it out pretty-printed.
  # Usage: pp_rdf <infile> <outfile>
  
  if __name__ == "__main__":
      import sys
      from spdx.parsers.rdf import Parser
      from spdx.parsers.loggers import StandardLogger
      from spdx.parsers.rdfbuilders import Builder
      from spdx.writers.rdf import write_document
  
      infile = sys.argv[1]
      outfile = sys.argv[2]
      p = Parser(Builder(), StandardLogger())
      with open(infile) as f:
          doc, error = p.parse(f)
          if not error:
              with open(outfile, mode="wb") as out:
                  write_document(doc, out)
  
          else:
              print("Errors while parsing")
  
subject: Remove unused import