methods should be private in normalizer class

[jfdev001]

lingua-loop/src/lingua_loop/services/text_normalization.py

Lines 35 to 58 in 74e71e7

	def normalize_special_characters(self, text: str) -> str:
	"""Replace or remove special characters (return text if no change).
	In some languages, like German, special characters like "ß" can be
	noramalized to written as "ss" and this does not change meaning.
	However, for languages like Italian, there is a difference between "è"
	and "e", so no special characters normalization is implemented for
	that.
	"""
	pass
	def normalize_case(self, text: str) -> str:
	return text.lower()
	def normalize_punctuation(self, text: str) -> str:
	all_chars_except_words_and_single_spaces = r"[^\w\s]"
	space = " "
	return sub(
	pattern=all_chars_except_words_and_single_spaces,
	repl=space,
	string=text,
	)
	def normalize_whitespace(self, text: str) -> str: