def _normalize(self):
        new_dict = {}
        conflicting_keys = []
        for key, value in self._dictionary.items():
            normalized = normalize_unicode(key)
            if key != normalized and self._dictionary in normalized:
                conflicting_keys.append(key)
            else:
                new_dict[normalized] = value
        for key in conflicting_keys:
            normalized = normalize_unicode(key)
            if key in (self.info.get('skip', []) + self.info.get('pertain', [])):
                new_dict[normalized] = self._dictionary[key]
        self._dictionary = new_dict
dataset/ETHPy150Open scrapinghub/dateparser/dateparser/languages/dictionary.py/NormalizedDictionary._normalize/swapped operands of `in`