message: Fix unicode problem
diff: @@ -277,7 +277,11 @@ def print_signature(binary):
  print(format_str.format("Issuer:", issuer_str))
  print(format_str.format("Digest Algorithm:", oid_to_string(signer_info.digest_algorithm)))
  print(format_str.format("Signature algorithm:", oid_to_string(signer_info.signature_algorithm)))
  + try:
  + print(format_str.format("Program name:", signer_info.authenticated_attributes.program_name))
  + except UnicodeError:
  print(format_str.format("Program name:", signer_info.authenticated_attributes.program_name.encode('utf-8')))
  +
  print(format_str.format("Url:", signer_info.authenticated_attributes.more_info))
  print("")
  