python3-cbor2 5.4.6-1build1 (arm64 binary) in ubuntu lunar

 This library provides encoding and decoding for the Concise Binary Object
 Representation (CBOR, RFC 7049) serialization format.
 .
 Features:
  * Simple API like json or pickle modules.
  * Support many CBOR tags with stdlib objects.
  * Generic tag decoding.
  * Shared value references including cyclic references.
  * Optional C module backend tested on big- and little-endian architectures.
  * Extensible tagged value handling using tag_hook and object_hook on decode
    and default on encode.
  * Command-line diagnostic tool, converting CBOR file or stream to JSON
    (This is a lossy conversion, for diagnostics only)
  * Thorough test suite.
 .
 This package installs the library for Python 3.