diff --git a/gns3server/api/routes/compute/docker_nodes.py b/gns3server/api/routes/compute/docker_nodes.py
index f01425565..86ff4d84d 100644
--- a/gns3server/api/routes/compute/docker_nodes.py
+++ b/gns3server/api/routes/compute/docker_nodes.py
@@ -20,7 +20,7 @@ API routes for Docker nodes.
 
 import os
 
-from fastapi import APIRouter, WebSocket, Depends, Body, status
+from fastapi import APIRouter, WebSocket, Depends, Body, status, HTTPException
 from fastapi.encoders import jsonable_encoder
 from fastapi.responses import StreamingResponse
 from uuid import UUID
diff --git a/gns3server/api/routes/compute/dynamips_nodes.py b/gns3server/api/routes/compute/dynamips_nodes.py
index c60786f1b..744dfa3ba 100644
--- a/gns3server/api/routes/compute/dynamips_nodes.py
+++ b/gns3server/api/routes/compute/dynamips_nodes.py
@@ -20,7 +20,7 @@ API routes for Dynamips nodes.
 
 import os
 
-from fastapi import APIRouter, WebSocket, Body, Depends, status
+from fastapi import APIRouter, WebSocket, Body, Depends, status, HTTPException
 from fastapi.encoders import jsonable_encoder
 from fastapi.responses import StreamingResponse
 from typing import List, Union
diff --git a/gns3server/api/routes/compute/qemu_nodes.py b/gns3server/api/routes/compute/qemu_nodes.py
index 9494d6044..51f8f60d8 100644
--- a/gns3server/api/routes/compute/qemu_nodes.py
+++ b/gns3server/api/routes/compute/qemu_nodes.py
@@ -20,7 +20,7 @@ API routes for Qemu nodes.
 
 import os
 
-from fastapi import APIRouter, WebSocket, Depends, Body, Path, status
+from fastapi import APIRouter, WebSocket, Depends, Body, Path, status, HTTPException
 from fastapi.encoders import jsonable_encoder
 from fastapi.responses import StreamingResponse
 from typing import Union