diff --git a/tes/sshwrapper/__init__.py b/tes/sshwrapper/__init__.py
index c134eb6face3006b976853f43ce961e4c507d590..2a0875ad1a8e4ef4c20f9d091437615d5754b69f 100644
--- a/tes/sshwrapper/__init__.py
+++ b/tes/sshwrapper/__init__.py
@@ -173,6 +173,7 @@ class Ssh:
             raise SshCtrlException(error.decode())
         DOUBLECHECK=True
         if DOUBLECHECK:
+            import time
             time.sleep(1)
             ctrl_p.poll()
             if ctrl_p.returncode != None: