remove redundant check

Author: theodorbadea

src/converter/pytorch_converter.py

@@ -435,18 +435,17 @@ def convert_ctrl_dep_to_data_dep(
         last_visited_any: Optional[ChakraNode] = None
         pg_name_to_nccl_ops: Dict[str, List[int]] = {}
         while stack:
-            current_node = stack.pop()       
+            current_node = stack.pop()
+            visited.add(current_node.id)    
+            
             if current_node.type == COMM_COLL_NODE:
                 pg_name = json_node_map[current_node.id].pg_name
                 if pg_name in pg_name_to_nccl_ops:
                     current_node.data_deps.append(pg_name_to_nccl_ops[pg_name][-1])
                     pg_name_to_nccl_ops[pg_name].append(current_node.id)
                 else:
                     pg_name_to_nccl_ops[pg_name] = [current_node.id]
-            if current_node.id in visited:
-                continue
 
-            visited.add(current_node.id)
             json_node = json_node_map.get(current_node.id)
             if not json_node:
                 continue