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-rw-r--r--Modules/unicodedata.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/Modules/unicodedata.c b/Modules/unicodedata.c
index d917f91..f636590 100644
--- a/Modules/unicodedata.c
+++ b/Modules/unicodedata.c
@@ -439,7 +439,7 @@ unicodedata_decomposition(PyObject *self, PyObject *args)
from Tools/unicode/makeunicodedata.py, it should not be possible
to overflow decomp_prefix. */
prefix_index = decomp_data[index] & 255;
- assert(prefix_index < (sizeof(decomp_prefix)/sizeof(*decomp_prefix)));
+ assert(prefix_index < Py_ARRAY_LENGTH(decomp_prefix));
/* copy prefix */
i = strlen(decomp_prefix[prefix_index]);