def _min_indent(self, s):
        "Return the minimum indentation of any non-blank line in `s`"
        indents = [len(indent) for indent in self._INDENT_RE.findall(s)]
        if len(indents) > 0:
            return min(indents)
        else:
            return 0
def _min_indent ( self , s ) : indents = [ len ( indent ) for indent in self . _INDENT_RE . findall ( s ) ] if len ( indents ) > 0 : return min ( indents ) else : return 0
Return the minimum indentation of any non-blank line in `s`