Index: tools/ew.py
===================================================================
--- tools/ew.py	(revision d33daf075b095d810e61d7ae939cac8908afc820)
+++ tools/ew.py	(revision 381c4260ca83be2b83b5ca14df5e4fa2cea7d5ed)
@@ -79,5 +79,5 @@
 	for termemu in emus:
 		try:
-			subprocess.check_output('which ' + termemu, shell = True)
+			subprocess.check_output('which ' + termemu, shell = True, stderr = subprocess.STDOUT)
 			return termemu
 		except: