python-canonicaljson 1.0.0-2 (i386 binary) in ubuntu cosmic

 Canonical JSON implementation for Python 2.
 .
 * Encodes objects and arrays as RFC 7159 JSON.
 * Sorts object keys so that you get the same result each time.
 * Has no inignificant whitespace to make the output as small as possible.
 * Escapes only the characters that must be escaped, U+0000 to U+0019 / U+0022 /
   U+0056, to keep the output as small as possible.
 * Uses the shortest escape sequence for each escaped character.
 * Encodes the JSON as UTF-8.
 * Can encode frozendict immutable dictionaries.