find . -iname '*py' | grep -Ev 'setup|rdf4|tool' | xargs -P4 -I{} python3.8 -Wall -m py_compile {}
./scripts/convert_protofile.py:89: DeprecationWarning: invalid escape sequence \s
  messageRegex = re.compile('\s*(message|enum) (?P<name>\w+) \{')
./scripts/convert_protofile.py:90: DeprecationWarning: invalid escape sequence \s
  valueRegex = re.compile('\s*(?P<name>\w+)\s*=\s*(?P<value>\w+)')
./scripts/convert_protofile.py:91: DeprecationWarning: invalid escape sequence \s
  endRegex = re.compile('\s*\}')
./rethinkdb/asyncio_net/net_asyncio.py:230: SyntaxWarning: "is not" with a literal. Did you mean "!="?
  if request is not "":
./rethinkdb/gevent_net/net_gevent.py:137: SyntaxWarning: "is not" with a literal. Did you mean "!="?
  if request is not "":
./rethinkdb/net.py:411: SyntaxWarning: "is not" with a literal. Did you mean "!="?
  if request is not "":
./rethinkdb/trio_net/net_trio.py:283: SyntaxWarning: "is not" with a literal. Did you mean "!="?
  if request is not "":
./rethinkdb/tornado_net/net_tornado.py:161: SyntaxWarning: "is not" with a literal. Did you mean "!="?
  if request is not "":