Issue #11630, issue #3080: Fix refleak introduced by ef2b6305d395
diff --git a/Python/import.c b/Python/import.c
index 3b8ce93..907ccd7 100644
--- a/Python/import.c
+++ b/Python/import.c
@@ -3705,12 +3705,15 @@
         return NULL;
     if (fob != NULL) {
         fp = get_file(NULL, fob, "r");
-        if (fp == NULL)
+        if (fp == NULL) {
+            Py_DECREF(pathname);
             return NULL;
+        }
     }
     else
         fp = NULL;
     mod = _PyImport_LoadDynamicModule(name, pathname, fp);
+    Py_DECREF(pathname);
     if (fp)
         fclose(fp);
     return mod;