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-rw-r--r--modules/language/python/module/python.scm4
1 files changed, 3 insertions, 1 deletions
diff --git a/modules/language/python/module/python.scm b/modules/language/python/module/python.scm
index 7b01c93..3601c2f 100644
--- a/modules/language/python/module/python.scm
+++ b/modules/language/python/module/python.scm
@@ -126,7 +126,9 @@
(it cls sub)
(if (eq? sub cls)
#t
- (is-a? (ref sub '__goops__) (ref cls '__goops__)))))
+ (if (memq cls (ref sub '__mro__))
+ #t
+ #f))))
(define-method (isinstance x y)
(if (null? y)