find . -iname '*.py'  | xargs -P 4 -I{} python -Wall -m py_compile {}
./pendulum/tz/local_timezone.py:180: DeprecationWarning: invalid escape sequence \s
  zone_re = re.compile('\s*ZONE\s*=\s*"')
./pendulum/tz/local_timezone.py:181: DeprecationWarning: invalid escape sequence \s
  timezone_re = re.compile('\s*TIMEZONE\s*=\s*"')
./pendulum/tz/zoneinfo/posix_timezone.py:15: DeprecationWarning: invalid escape sequence \d
  "(?P<std_abbr><.*?>|[^-+,\d]{3,})"
./pendulum/tz/zoneinfo/posix_timezone.py:16: DeprecationWarning: invalid escape sequence \d
  "(?P<std_offset>([+-])?(\d{1,2})(:\d{2}(:\d{2})?)?)"
./pendulum/tz/zoneinfo/posix_timezone.py:18: DeprecationWarning: invalid escape sequence \d
  "    (?P<dst_abbr><.*?>|[^-+,\d]{3,})"
./pendulum/tz/zoneinfo/posix_timezone.py:19: DeprecationWarning: invalid escape sequence \d
  "    (?P<dst_offset>([+-])?(\d{1,2})(:\d{2}(:\d{2})?)?)?"
./pendulum/tz/zoneinfo/posix_timezone.py:23: DeprecationWarning: invalid escape sequence \d
  "        (?:J\d+|\d+|M\d{1,2}.\d.[0-6])"
./pendulum/tz/zoneinfo/posix_timezone.py:24: DeprecationWarning: invalid escape sequence \d
  "        (?:/(?P<dst_start_offset>([+-])?(\d+)(:\d{2}(:\d{2})?)?))?"
./pendulum/tz/zoneinfo/posix_timezone.py:28: DeprecationWarning: invalid escape sequence \d
  "        (?:J\d+|\d+|M\d{1,2}.\d.[0-6])"
./pendulum/tz/zoneinfo/posix_timezone.py:29: DeprecationWarning: invalid escape sequence \d
  "        (?:/(?P<dst_end_offset>([+-])?(\d+)(:\d{2}(:\d{2})?)?))?"
./pendulum/formatting/formatter.py:14: DeprecationWarning: invalid escape sequence \d
  _MATCH_1 = "\d"
./pendulum/formatting/formatter.py:15: DeprecationWarning: invalid escape sequence \d
  _MATCH_2 = "\d\d"
./pendulum/formatting/formatter.py:16: DeprecationWarning: invalid escape sequence \d
  _MATCH_3 = "\d{3}"
./pendulum/formatting/formatter.py:17: DeprecationWarning: invalid escape sequence \d
  _MATCH_4 = "\d{4}"
./pendulum/formatting/formatter.py:18: DeprecationWarning: invalid escape sequence \d
  _MATCH_6 = "[+-]?\d{6}"
./pendulum/formatting/formatter.py:19: DeprecationWarning: invalid escape sequence \d
  _MATCH_1_TO_2 = "\d\d?"
./pendulum/formatting/formatter.py:20: DeprecationWarning: invalid escape sequence \d
  _MATCH_1_TO_2_LEFT_PAD = "[0-9 ]\d?"
./pendulum/formatting/formatter.py:21: DeprecationWarning: invalid escape sequence \d
  _MATCH_1_TO_3 = "\d{1,3}"
./pendulum/formatting/formatter.py:22: DeprecationWarning: invalid escape sequence \d
  _MATCH_1_TO_4 = "\d{1,4}"
./pendulum/formatting/formatter.py:23: DeprecationWarning: invalid escape sequence \d
  _MATCH_1_TO_6 = "[+-]?\d{1,6}"
./pendulum/formatting/formatter.py:24: DeprecationWarning: invalid escape sequence \d
  _MATCH_3_TO_4 = "\d{3}\d?"
./pendulum/formatting/formatter.py:25: DeprecationWarning: invalid escape sequence \d
  _MATCH_5_TO_6 = "\d{5}\d?"
./pendulum/formatting/formatter.py:26: DeprecationWarning: invalid escape sequence \d
  _MATCH_UNSIGNED = "\d+"
./pendulum/formatting/formatter.py:27: DeprecationWarning: invalid escape sequence \d
  _MATCH_SIGNED = "[+-]?\d+"
./pendulum/formatting/formatter.py:28: DeprecationWarning: invalid escape sequence \d
  _MATCH_OFFSET = "[Zz]|[+-]\d\d:?\d\d"
./pendulum/formatting/formatter.py:29: DeprecationWarning: invalid escape sequence \d
  _MATCH_SHORT_OFFSET = "[Zz]|[+-]\d\d(?::?\d\d)?"
./pendulum/formatting/formatter.py:30: DeprecationWarning: invalid escape sequence \d
  _MATCH_TIMESTAMP = "[+-]?\d+(\.\d{1,6})?"
./pendulum/formatting/formatter.py:34: DeprecationWarning: invalid escape sequence \/
  "|[\u0600-\u06FF\/]+(\s*?[\u0600-\u06FF]+){1,2}"
./pendulum/formatting/formatter.py:42: DeprecationWarning: invalid escape sequence \[
  "\[([^\[]*)\]|\\\(.)|"
./pendulum/formatting/formatter.py:70: DeprecationWarning: invalid escape sequence \d
  "\d+{}".format(o) for o in locale.get("custom.ordinal").values()
./pendulum/formatting/formatter.py:610: DeprecationWarning: invalid escape sequence \d
  parsed["day"] = int(re.match("(\d+)", value).group(1))
./pendulum/parsing/iso8601.py:23: DeprecationWarning: invalid escape sequence \d
  "        (?P<year>\d{4})"  # Year
./pendulum/parsing/iso8601.py:25: DeprecationWarning: invalid escape sequence \d
  "            (?P<monthsep>-)?(?P<month>\d{2})"  # Month (optional)
./pendulum/parsing/iso8601.py:26: DeprecationWarning: invalid escape sequence \d
  "            ((?P<daysep>-)?(?P<day>\d{1,2}))?"  # Day (optional)
./pendulum/parsing/iso8601.py:31: DeprecationWarning: invalid escape sequence \d
  "        (?P<isoyear>\d{4})"  # Year
./pendulum/parsing/iso8601.py:34: DeprecationWarning: invalid escape sequence \d
  "        (?P<isoweek>\d{2})"  # Week number
./pendulum/parsing/iso8601.py:36: DeprecationWarning: invalid escape sequence \d
  "        (?P<isoweekday>\d)?"  # Weekday (optional)
./pendulum/parsing/iso8601.py:41: DeprecationWarning: invalid escape sequence \ 
  "    (?P<timesep>[T\ ])?"  # Separator (T or space)
./pendulum/parsing/iso8601.py:42: DeprecationWarning: invalid escape sequence \d
  "    (?P<hour>\d{1,2})(?P<minsep>:)?(?P<minute>\d{1,2})?(?P<secsep>:)?(?P<second>\d{1,2})?"  # HH:mm:ss (optional mm and ss)
./pendulum/parsing/iso8601.py:46: DeprecationWarning: invalid escape sequence \d
  "        (?P<subsecond>\d{1,9})"  # Subsecond
./pendulum/parsing/iso8601.py:50: DeprecationWarning: invalid escape sequence \d
  "        (?:[-+])\d{2}:?(?:\d{2})?|Z"  # Offset (+HH:mm or +HHmm or +HH or Z)
./pendulum/parsing/iso8601.py:62: DeprecationWarning: invalid escape sequence \d
  "    (?P<weeks>\d+(?:[.,]\d+)?W)"
./pendulum/parsing/iso8601.py:65: DeprecationWarning: invalid escape sequence \d
  "    (?P<years>\d+(?:[.,]\d+)?Y)?"
./pendulum/parsing/iso8601.py:66: DeprecationWarning: invalid escape sequence \d
  "    (?P<months>\d+(?:[.,]\d+)?M)?"
./pendulum/parsing/iso8601.py:67: DeprecationWarning: invalid escape sequence \d
  "    (?P<days>\d+(?:[.,]\d+)?D)?"
./pendulum/parsing/iso8601.py:71: DeprecationWarning: invalid escape sequence \d
  "    (?P<hours>\d+(?:[.,]\d+)?H)?"
./pendulum/parsing/iso8601.py:72: DeprecationWarning: invalid escape sequence \d
  "    (?P<minutes>\d+(?:[.,]\d+)?M)?"
./pendulum/parsing/iso8601.py:73: DeprecationWarning: invalid escape sequence \d
  "    (?P<seconds>\d+(?:[.,]\d+)?S)?"
./pendulum/parsing/__init__.py:27: DeprecationWarning: invalid escape sequence \d
  "        (?P<year>\d{4})"  # Year
./pendulum/parsing/__init__.py:29: DeprecationWarning: invalid escape sequence \d
  "            (?P<monthsep>[/:])?(?P<month>\d{2})"  # Month (optional)
./pendulum/parsing/__init__.py:30: DeprecationWarning: invalid escape sequence \d
  "            ((?P<daysep>[/:])?(?P<day>\d{2}))"  # Day (optional)
./pendulum/parsing/__init__.py:36: DeprecationWarning: invalid escape sequence \ 
  "    (?P<timesep>\ )?"  # Separator (space)
./pendulum/parsing/__init__.py:37: DeprecationWarning: invalid escape sequence \d
  "    (?P<hour>\d{1,2}):(?P<minute>\d{1,2})?(?::(?P<second>\d{1,2}))?"  # HH:mm:ss (optional mm and ss)
./pendulum/parsing/__init__.py:41: DeprecationWarning: invalid escape sequence \d
  "        (?P<subsecond>\d{1,9})"  # Subsecond