Code compactness

Author: shubhambhokare1

torch/csrc/autograd/python_function.cpp

@@ -559,14 +559,9 @@ static void _trace_post_record(
   }
 
   node->i_(jit::attr::inplace, is_inplace);
-  if (node) {
-    auto module_name = PyDict_GetItemString(((PyTypeObject*)op_obj)->tp_dict, "__module__");
-    if (module_name) {
-      const char *ptr = PyUnicode_AsUTF8(module_name);
-      if (ptr) {
-          auto modname = std::string(ptr);
-          node->s_(jit::attr::module, modname);
-      }
+  if (auto module_name = PyDict_GetItemString(((PyTypeObject*)op_obj)->tp_dict, "__module__")) {
+    if (auto ptr = PyUnicode_AsUTF8(module_name)) {
+        node->s_(jit::attr::module, std::string(ptr));
     }
   }