diff --git a/‎Objects/bytesobject.c‎
Lines changed: 1 addition & 1 deletion b/‎Objects/bytesobject.c‎
Lines changed: 1 addition & 1 deletion
@@ -3819,7 +3819,7 @@ byteswriter_check_consistency(PyBytesWriter *writer)
 static inline int
 byteswriter_resize(PyBytesWriter *writer, Py_ssize_t new_size, int resize)
 {
-    assert(new_size >= 0);
+    assert(new_size >= 1);
 
     Py_ssize_t old_allocated = byteswriter_allocated(writer);
     if (new_size <= old_allocated) {
Original file line number	Diff line number	Diff line change
`@@ -3819,7 +3819,7 @@ byteswriter_check_consistency(PyBytesWriter *writer)`
`3819`	`3819`	`static inline int`
`3820`	`3820`	`byteswriter_resize(PyBytesWriter *writer, Py_ssize_t new_size, int resize)`
`3821`	`3821`	`{`
`3822`		`- assert(new_size >= 0);`
	`3822`	`+ assert(new_size >= 1);`
`3823`	`3823`
`3824`	`3824`	`Py_ssize_t old_allocated = byteswriter_allocated(writer);`
`3825`	`3825`	`if (new_size <= old_allocated) {`