[3.7] bpo-36254: Fix invalid uses of %d in format strings in C. (GH-12264). (GH-12322)

(cherry picked from commit d53fe5f407ff4b529628b01a1bcbf21a6aad5c3a)

Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/Modules/_lzmamodule.c b/Modules/_lzmamodule.c
index bb7a7ec50c..f93c6c668e 100644
--- a/Modules/_lzmamodule.c
+++ b/Modules/_lzmamodule.c
@@ -219,7 +219,7 @@ parse_filter_spec_lzma(PyObject *spec)
 
     if (lzma_lzma_preset(options, preset)) {
         PyMem_Free(options);
-        PyErr_Format(Error, "Invalid compression preset: %d", preset);
+        PyErr_Format(Error, "Invalid compression preset: %u", preset);
         return NULL;
     }
 
@@ -630,7 +630,7 @@ Compressor_init_alone(lzma_stream *lzs, uint32_t preset, PyObject *filterspecs)
         lzma_options_lzma options;
 
         if (lzma_lzma_preset(&options, preset)) {
-            PyErr_Format(Error, "Invalid compression preset: %d", preset);
+            PyErr_Format(Error, "Invalid compression preset: %u", preset);
             return -1;
         }
         lzret = lzma_alone_encoder(lzs, &options);