diff --git a/ereuse_devicehub/cli.py b/ereuse_devicehub/cli.py
index b99c0b5e..4c253235 100644
--- a/ereuse_devicehub/cli.py
+++ b/ereuse_devicehub/cli.py
@@ -7,6 +7,27 @@ import flask.cli
 from ereuse_devicehub.config import DevicehubConfig
 from ereuse_devicehub.devicehub import Devicehub
 
+import sys
+sys.ps1 = '\001\033[92m\002>>> \001\033[0m\002'
+sys.ps2= '\001\033[94m\002... \001\033[0m\002'
+
+import os, readline, rlcompleter, atexit
+history_file = os.path.join(os.environ['HOME'], '.python_history')
+try:
+  readline.read_history_file(history_file)
+except IOError:
+  pass
+readline.parse_and_bind("tab: complete")
+readline.parse_and_bind('"\e[5~": history-search-backward')
+readline.parse_and_bind('"\e[6~": history-search-forward')
+readline.parse_and_bind('"\e[5C": forward-word')
+readline.parse_and_bind('"\e[5D": backward-word')
+readline.parse_and_bind('"\e\e[C": forward-word')
+readline.parse_and_bind('"\e\e[D": backward-word')
+readline.parse_and_bind('"\e[1;5C": forward-word')
+readline.parse_and_bind('"\e[1;5D": backward-word')
+readline.set_history_length(100000)
+atexit.register(readline.write_history_file, history_file)
 
 class DevicehubGroup(flask.cli.FlaskGroup):
     # todo users cannot make cli to use a custom db this way!
diff --git a/ereuse_devicehub/resources/action/views/trade.py b/ereuse_devicehub/resources/action/views/trade.py
index e3df1cc3..1a2eb4d1 100644
--- a/ereuse_devicehub/resources/action/views/trade.py
+++ b/ereuse_devicehub/resources/action/views/trade.py
@@ -230,32 +230,6 @@ class RevokeView(ConfirmMixin):
         # import pdb; pdb.set_trace()
         self.model = delete_from_trade(lot, ids)
 
-        # devices = set(data['devices'])
-        # without_confirms = set() # set of devs without confirms of user2
-
-        # if g.user == lot.trade.author:
-            # for dev in devices:
-                # ac = dev.last_action_trading
-                # if ac.type == 'Confirm' and ac.user == g.user:
-                    # without_confirms.add(dev)
-
-        # # we need to mark one revoke for every devs
-        # revoke = Revoke(action=lot.trade, user=g.user, devices=devices)
-        # db.session.add(revoke)
-
-        # if without_confirms:
-            # confirm_revoke = ConfirmRevoke(
-                # action=revoke,
-                # user=g.user,
-                # devices=without_confirms
-            # )
-            # db.session.add(confirm_revoke)
-
-            # lot.devices.difference_update(without_confirms)
-            # lot.trade.devices = lot.devices
-
-        # self.model = revoke
-
 
 class ConfirmRevokeView(ConfirmMixin):
     """Handler for manager the Confirmation register from post