GeezerVison

>>> class CustomSyntaxError(SyntaxError):
...     def __init__(self, msg, filename, lineno, offset, text, end_lineno, end_offset):
...         self.msg = msg
...         self.filename = filename
...         self.lineno = lineno
...         self.offset = offset
...         self.text = text
...         # self.end_lineno = end_lineno
...         # self.end_offset = end_offset
... 
>>> raise CustomSyntaxError("Error message", None, 1, 5, 'a = sin(3)', 1, 9)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "<string>", line 1
    a = sin(3)
        ^
CustomSyntaxError: Error message