def munge_cell(cell, line=None, validators=None):
if pd.isnull(cell) or isinstance(cell, int):<EOL><INDENT>return None<EOL><DEDENT>c = '<STR_LIT:U+0020>'.join(cell.split())<EOL>if validators is not None and all(re.match(validator, c) is None for validator in validators):<EOL><INDENT>if line:<EOL><INDENT>log.info("<STR_LIT>", line, c)<EOL><DEDENT>return None<EOL><DEDENT>return [x.strip() for x in str(c).strip().split('<STR_LIT:U+002C>')]<EOL>
:param cell:
:param line:
:param validators:
:return: