--- a/src/pages/login/page_meta.py	Sun Jun 24 22:21:25 2018 +0200
+++ b/src/pages/login/page_meta.py	Fri Jun 29 17:45:26 2018 +0200
@@ -7,7 +7,8 @@
 from libervia.server import session_iface
 from twisted.internet import defer
 from sat.core.log import getLogger
-log = getLogger('pages/login')
+
+log = getLogger("pages/login")
 
 """SàT log-in page, with link to create an account"""
 
@@ -19,24 +20,27 @@
 def prepare_render(self, request):
     template_data = request.template_data
 
-    # we redirect to logged page if a session is active
+    #  we redirect to logged page if a session is active
     profile = self.getProfile(request)
     if profile is not None:
-        self.pageRedirect('/login/logged', request)
+        self.pageRedirect("/login/logged", request)
 
     # login error message
     session_data = self.host.getSessionData(request, session_iface.ISATSession)
-    login_error = session_data.popPageData(self, 'login_error')
+    login_error = session_data.popPageData(self, "login_error")
     if login_error is not None:
-        template_data['S_C'] = C  # we need server constants in template
-        template_data['login_error'] = login_error
-    template_data['empty_password_allowed'] = bool(self.host.options['empty_password_allowed_warning_dangerous_list'])
+        template_data["S_C"] = C  # we need server constants in template
+        template_data["login_error"] = login_error
+    template_data["empty_password_allowed"] = bool(
+        self.host.options["empty_password_allowed_warning_dangerous_list"]
+    )
 
     # register page url
-    template_data['register_url'] = self.getPageRedirectURL(request, 'register')
+    template_data["register_url"] = self.getPageRedirectURL(request, "register")
 
-    # if login is set, we put it in template to prefill field
-    template_data['login'] = session_data.popPageData(self, 'login')
+    #  if login is set, we put it in template to prefill field
+    template_data["login"] = session_data.popPageData(self, "login")
+
 
 def login_error(self, request, error_const):
     """set login_error in page data
@@ -48,19 +52,20 @@
     session_data.setPageData(self, "login_error", error_const)
     return C.POST_NO_CONFIRM
 
+
 @defer.inlineCallbacks
 def on_data_post(self, request):
     profile = self.getProfile(request)
-    type_ = self.getPostedData(request, 'type')
-    if type_ == 'disconnect':
+    type_ = self.getPostedData(request, "type")
+    if type_ == "disconnect":
         if profile is None:
-            log.warning(_(u'Disconnect called when no profile is logged'))
+            log.warning(_(u"Disconnect called when no profile is logged"))
             self.pageError(request, C.HTTP_BAD_REQUEST)
         else:
             self.host.purgeSession(request)
             defer.returnValue(C.POST_NO_CONFIRM)
-    elif type_ == 'login':
-        login, password = self.getPostedData(request, (u'login', u'password'))
+    elif type_ == "login":
+        login, password = self.getPostedData(request, (u"login", u"password"))
         try:
             status = yield self.host.connect(request, login, password)
         except ValueError as e:
@@ -76,6 +81,6 @@
                 # Profile has been logged correctly
                 self.redirectOrContinue(request)
             else:
-                log.error(_(u'Unhandled status: {status}'.format(status=status)))
+                log.error(_(u"Unhandled status: {status}".format(status=status)))
     else:
         self.pageError(request, C.HTTP_BAD_REQUEST)