Description
Running tests on CPython master gives me below SyntaxWarnings. This could be fixed by prefixing 'r' in front of the strings . Upstream PR python/cpython#9652 . I will raise a PR for this shortly.
/home/karthi/arrow/arrow/parser.py:24: SyntaxWarning: invalid escape sequence \[
_ESCAPE_RE = re.compile('\[[^\[\]]*\]')
/home/karthi/arrow/arrow/parser.py:26: SyntaxWarning: invalid escape sequence \d
_ONE_OR_MORE_DIGIT_RE = re.compile('\d+')
/home/karthi/arrow/arrow/parser.py:27: SyntaxWarning: invalid escape sequence \d
_ONE_OR_TWO_DIGIT_RE = re.compile('\d{1,2}')
/home/karthi/arrow/arrow/parser.py:28: SyntaxWarning: invalid escape sequence \d
_FOUR_DIGIT_RE = re.compile('\d{4}')
/home/karthi/arrow/arrow/parser.py:29: SyntaxWarning: invalid escape sequence \d
_TWO_DIGIT_RE = re.compile('\d{2}')
/home/karthi/arrow/arrow/parser.py:30: SyntaxWarning: invalid escape sequence \-
_TZ_RE = re.compile('[+\-]?\d{2}:?(\d{2})?')
/home/karthi/arrow/arrow/parser.py:31: SyntaxWarning: invalid escape sequence \w
_TZ_NAME_RE = re.compile('\w[\w+\-/]+')
/home/karthi/arrow/arrow/parser.py:49: SyntaxWarning: invalid escape sequence \d
'X': re.compile('\d+'),
/home/karthi/arrow/arrow/parser.py:157: SyntaxWarning: invalid escape sequence \#
a = fmt_pattern.split("\#")
/home/karthi/arrow/arrow/parser.py:313: SyntaxWarning: invalid escape sequence \-
_TZINFO_RE = re.compile('([+\-])?(\d\d):?(\d\d)?')
/home/karthi/arrow/arrow/parser.py:49: SyntaxWarning: invalid escape sequence \d
'X': re.compile('\d+'),
/home/karthi/arrow/arrow/parser.py:157: SyntaxWarning: invalid escape sequence \#
a = fmt_pattern.split("\#")
/home/karthi/arrow/arrow/parser.py:313: SyntaxWarning: invalid escape sequence \-
_TZINFO_RE = re.compile('([+\-])?(\d\d):?(\d\d)?')