use flint_free

oscarbenjamin · oscarbenjamin · commit 8f92e75232e4 · 2025-06-27T02:45:55.000+01:00
diff --git a/src/flint/types/fmpz.pyx b/src/flint/types/fmpz.pyx
@@ -166,7 +166,7 @@ cdef class fmpz(flint_scalar):
         try:
             res = str_from_chars(s)
         finally:
-            libc.stdlib.free(s)
+            flint_free(s)
         if condense > 0:
             res = _str_trunc(res, condense)
         return res
