charmap_decode(input,self.errors,decoding_table)[0] UnicodeDecodeError: 'charmap' codec can't decode byte 0x90 in position 275: character maps t code example

Example 1: UnicodeDecodeError: 'charmap' codec can't decode byte 0x9d in position 6148: character maps to

Add encoding:
	
	file = open(filename, encoding="utf8")

Example 2: UnicodeDecodeError: 'charmap' codec can't decode byte 0x9d in position 340: character maps to

file = open(filename, encoding="utf8")