Eliminate compiler warning about type mismatch for %d format specificer.

1 files changed, 1 insertions, 1 deletions

diff --git a/mod_wsgi.c b/mod_wsgi.c
index 319e33f..bd0c085 100644
--- a/mod_wsgi.c
+++ b/mod_wsgi.c
@@ -2459,7 +2459,7 @@ static int Adapter_output(AdapterObject *self, const char *data, int length)
             if (PyTuple_Size(tuple) != 2) {
                 PyErr_Format(PyExc_ValueError, "tuple of length 2 "
                              "expected, length is %d",
-                             PyTuple_Size(tuple));
+                             (int)PyTuple_Size(tuple));
                 return 0;
             }