diff --git a/gklearn/experiments/taskhub.py b/gklearn/experiments/taskhub.py
index 84143aa..0e0344b 100644
--- a/gklearn/experiments/taskhub.py
+++ b/gklearn/experiments/taskhub.py
@@ -19,12 +19,11 @@ if __name__ == '__main__':
 		 },
 		]
 
+	import os
 	command = ''
 	for t in tasks:
 		print(t['file'])
 		command += 'cd ' + t['path'] + '\n'
 		command += 'python3 ' + t['file'] + '\n'
-		command += 'cd ' + '/'.join(['..'] * len(t['path'].split('/'))) + '\n'
-
-	import os
-	os.system(command)
+# 		command += 'cd ' + '/'.join(['..'] * len(t['path'].split('/'))) + '\n'
+		os.system(command)