invalid-repr-returned / E0306#

Message emitted:

__repr__ does not return str

Description:

Used when a __repr__ method returns something which is not a string

Problematic code:

class CustomRepr:
    """__repr__ returns <type 'int'>"""

    def __repr__(self):  # [invalid-repr-returned]
        return 1

Correct code:

class CustomRepr:
    """__repr__ returns <type 'str'>"""

    def __repr__(self):
        return "apples"

Created by the classes checker.