Fixing SystemError when nb_bool/nb_nonzero sets a Python exception in type_caster<bool>::load (#1976)
diff --git a/tests/test_builtin_casters.py b/tests/test_builtin_casters.py
index 73cc465..abbfcec 100644
--- a/tests/test_builtin_casters.py
+++ b/tests/test_builtin_casters.py
@@ -318,11 +318,15 @@
     import numpy as np
     convert, noconvert = m.bool_passthrough, m.bool_passthrough_noconvert
 
+    def cant_convert(v):
+        pytest.raises(TypeError, convert, v)
+
     # np.bool_ is not considered implicit
     assert convert(np.bool_(True)) is True
     assert convert(np.bool_(False)) is False
     assert noconvert(np.bool_(True)) is True
     assert noconvert(np.bool_(False)) is False
+    cant_convert(np.zeros(2, dtype='int'))
 
 
 def test_int_long():