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-rw-r--r--Python/flowgraph.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/Python/flowgraph.c b/Python/flowgraph.c
index 2adc8c84d83..1cb6f03169e 100644
--- a/Python/flowgraph.c
+++ b/Python/flowgraph.c
@@ -1892,6 +1892,10 @@ eval_const_unaryop(PyObject *operand, int opcode, int oparg)
result = PyNumber_Negative(operand);
break;
case UNARY_INVERT:
+ // XXX: This should be removed once the ~bool depreciation expires.
+ if (PyBool_Check(operand)) {
+ return NULL;
+ }
result = PyNumber_Invert(operand);
break;
case UNARY_NOT: {