--- a/sat/plugins/plugin_exp_command_export.py	Wed Jun 27 07:51:29 2018 +0200
+++ b/sat/plugins/plugin_exp_command_export.py	Wed Jun 27 20:14:46 2018 +0200
@@ -20,6 +20,7 @@
 from sat.core.i18n import _
 from sat.core.constants import Const as C
 from sat.core.log import getLogger
+
 log = getLogger(__name__)
 from twisted.words.protocols.jabber import jid
 from twisted.internet import reactor, protocol
@@ -35,9 +36,10 @@
     C.PI_DEPENDENCIES: [],
     C.PI_MAIN: "CommandExport",
     C.PI_HANDLER: "no",
-    C.PI_DESCRIPTION: _("""Implementation of command export""")
+    C.PI_DESCRIPTION: _("""Implementation of command export"""),
 }
 
+
 class ExportCommandProtocol(protocol.ProcessProtocol):
     """ Try to register an account with prosody """
 
@@ -49,26 +51,26 @@
 
     def _clean(self, data):
         if not data:
-            log.error ("data should not be empty !")
+            log.error("data should not be empty !")
             return u""
-        decoded = data.decode('utf-8', 'ignore')[:-1 if data[-1] == '\n' else None]
+        decoded = data.decode("utf-8", "ignore")[: -1 if data[-1] == "\n" else None]
         return clean_ustr(decoded)
 
     def connectionMade(self):
         log.info("connectionMade :)")
 
     def outReceived(self, data):
-        self.client.sendMessage(self.target, {'': self._clean(data)}, no_trigger=True)
+        self.client.sendMessage(self.target, {"": self._clean(data)}, no_trigger=True)
 
     def errReceived(self, data):
-        self.client.sendMessage(self.target, {'': self._clean(data)}, no_trigger=True)
+        self.client.sendMessage(self.target, {"": self._clean(data)}, no_trigger=True)
 
     def processEnded(self, reason):
-        log.info (u"process finished: %d" % (reason.value.exitCode,))
+        log.info(u"process finished: %d" % (reason.value.exitCode,))
         self.parent.removeProcess(self.target, self)
 
     def write(self, message):
-        self.transport.write(message.encode('utf-8'))
+        self.transport.write(message.encode("utf-8"))
 
     def boolOption(self, key):
         """ Get boolean value from options
@@ -81,6 +83,7 @@
 
 class CommandExport(object):
     """Command export plugin: export a command to an entity"""
+
     # XXX: This plugin can be potentially dangerous if we don't trust entities linked
     #      this is specially true if we have other triggers.
     # FIXME: spawned should be a client attribute, not a class one
@@ -88,9 +91,15 @@
     def __init__(self, host):
         log.info(_("Plugin command export initialization"))
         self.host = host
-        self.spawned = {} # key = entity
+        self.spawned = {}  # key = entity
         host.trigger.add("MessageReceived", self.MessageReceivedTrigger, priority=10000)
-        host.bridge.addMethod("exportCommand", ".plugin", in_sign='sasasa{ss}s', out_sign='', method=self._exportCommand)
+        host.bridge.addMethod(
+            "exportCommand",
+            ".plugin",
+            in_sign="sasasa{ss}s",
+            out_sign="",
+            method=self._exportCommand,
+        )
 
     def removeProcess(self, entity, process):
         """ Called when the process is finished
@@ -100,7 +109,7 @@
             processes_set = self.spawned[(entity, process.client.profile)]
             processes_set.discard(process)
             if not processes_set:
-                del(self.spawned[(entity, process.client.profile)])
+                del (self.spawned[(entity, process.client.profile)])
         except ValueError:
             pass
 
@@ -111,12 +120,12 @@
 
         if spawned_key in self.spawned:
             try:
-                body = message_elt.elements(C.NS_CLIENT, 'body').next()
+                body = message_elt.elements(C.NS_CLIENT, "body").next()
             except StopIteration:
                 # do not block message without body (chat state notification...)
                 return True
 
-            mess_data = unicode(body) + '\n'
+            mess_data = unicode(body) + "\n"
             processes_set = self.spawned[spawned_key]
             _continue = False
             exclusive = False
@@ -152,5 +161,7 @@
                 log.info(u"invalid target ignored: %s" % (target,))
                 continue
             process_prot = ExportCommandProtocol(self, client, _jid, options)
-            self.spawned.setdefault((_jid, client.profile),set()).add(process_prot)
-            reactor.spawnProcess(process_prot, command, args, usePTY = process_prot.boolOption('pty'))
+            self.spawned.setdefault((_jid, client.profile), set()).add(process_prot)
+            reactor.spawnProcess(
+                process_prot, command, args, usePTY=process_prot.boolOption("pty")
+            )