Report an error in simple_dataset.py

[DevilcLo]

PaddleOCR/ppocr/data/simple_dataset.py

Line 99 in bde8cad

substr = data_line.strip("\n").split(self.delimiter)

windows中的如果只split("\n")，那么会留下"\r"，lable就会变成"0\r"或"180\r"，那么就会出现RecursionError: maximum recursion depth exceeded while calling a Python object的错误，修改成substr = data_line.strip("\r\n").split(self.delimiter)就不会有该问题