diff --git a/Python/_warnings.c b/Python/_warnings.c
index 41eaf53..40f5c8e 100644
--- a/Python/_warnings.c
+++ b/Python/_warnings.c
@@ -45,7 +45,6 @@
     static PyObject *warnings_str = NULL;
     PyObject *all_modules;
     PyObject *warnings_module, *obj;
-    int result;
 
     if (warnings_str == NULL) {
         warnings_str = PyUnicode_InternFromString("warnings");
@@ -65,11 +64,11 @@
     }
     else {
         all_modules = PyImport_GetModuleDict();
-        result = PyDict_Contains(all_modules, warnings_str);
-        if (result == -1 || result == 0)
-            return NULL;
 
         warnings_module = PyDict_GetItem(all_modules, warnings_str);
+        if (warnings_module == NULL)
+            return NULL;
+
         Py_INCREF(warnings_module);
     }