class A: ...
class B: ...
class C: ...
class D: ...
class E: ...
class F: ...
class G: ...
class H: ...
class I: ...
class J: ...
class Foo(A, B, C, D, E, F, G, H, I, J):
pass
class A: ...
class B: ...
class C: ...
# max of 7 by default, can be configured
class Foo(A, B, C):
pass
Used when class has too many parent classes, try to reduce this to get a simpler (and so easier to use) class.