diff --git a/fastcore/net.py b/fastcore/net.py
index 85e8cfa5..90ebb184 100644
--- a/fastcore/net.py
+++ b/fastcore/net.py
@@ -22,7 +22,7 @@
 from .parallel import *
 
 from functools import wraps
-import json,urllib,contextlib
+import json,urllib,contextlib,tempfile
 import socket,urllib.request,http,urllib
 from contextlib import contextmanager,ExitStack
 from urllib.request import Request,urlretrieve,install_opener,HTTPErrorProcessor,HTTPRedirectHandler
diff --git a/nbs/03b_net.ipynb b/nbs/03b_net.ipynb
index d13a1658..6595404a 100644
--- a/nbs/03b_net.ipynb
+++ b/nbs/03b_net.ipynb
@@ -22,7 +22,7 @@
     "from fastcore.parallel import *\n",
     "\n",
     "from functools import wraps\n",
-    "import json,urllib,contextlib\n",
+    "import json,urllib,contextlib,tempfile\n",
     "import socket,urllib.request,http,urllib\n",
     "from contextlib import contextmanager,ExitStack\n",
     "from urllib.request import Request,urlretrieve,install_opener,HTTPErrorProcessor,HTTPRedirectHandler\n",