timedelta should be imported independently

startSimus.py

@@ -2,6 +2,7 @@ from subprocess import run, Popen, PIPE
 import multiprocessing
 import time
 from datetime import datetime
+from datetime import timedelta
 
 def nbContainers():
 	result=run("docker ps -aq | wc -l", shell=True, stdout=PIPE).stdout.decode('utf-8')
@@ -14,8 +15,8 @@ def backup():
 			Popen("docker checkpoint create  --leave-running=true --checkpoint-dir='$(pwd)/"+str(c)"/ContainerBackup/' " + c + " " + "checkpoint_" + c)
 
 def checkForBackupNeedsAndWait():
-	# Should we backup the simulations ? 
-	timeBetweenTwoBackup = datetime.timedelta(minutes=10) # We have one day between two backups
+	# Should we backup the simulations ?
+	timeBetweenTwoBackup = timedelta(minutes=2) # We have one day between two backups
 	now = datetime.now()
 	if now > (lastBackup + timeBetweenTwoBackup):
 		backup()