ensure special methods have the correct arguments
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ID: python-best-practices/special-methods-arguments
Language: Python
Severity: Error
Category: Best Practices
Description
For all special methods for a class (__add__, __sub__, and more) make sure the method has the correct number of arguments.
Non-Compliant Code Examples
class GFG:
def __init__(self, val):
self.val = val
def __next__(self, val2, val3): # invalid, we should have only one argument.
return GFG(self.val + val2.val)
class GFG:
def __init__(self, val):
self.val = val
def __add__(self, val2, val3): # we should have only two arguments.
return GFG(self.val + val2.val)
Compliant Code Examples
class GFG:
def __init__(self, val):
self.val = val
def __add__(self, val2):
return GFG(self.val + val2.val)
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