clean up python2 syntax

webapp/config.py.dist

@@ -30,11 +30,11 @@ admin_pw = 'changeme'
 # LDAP attribute configuration
 
 readable_names = {
-    'commonname': u'Common Name',
-    'givenname': u'Given Name',
-    'gecos': u'GECOS (public name)',
-    'surname': u'Surname',
-    'loginshell': u'Shell',
+    'commonname': 'Common Name',
+    'givenname': 'Given Name',
+    'gecos': 'GECOS (public name)',
+    'surname': 'Surname',
+    'loginshell': 'Shell',
     'telephonenumber': 'Phone Number',
     'mobiletelephonenumber': 'Mobile Number',
     'sshpublickey': 'SSH Public Key',

webapp/passwd.py

@@ -28,11 +28,11 @@ def _passwd_kadmin(current, new):
 def passwd_action():
     current, new, confirm = (flask.request.form[n] for n in ('current', 'new', 'confirm'))
     if new != confirm:
-        flask.flash(u"New passwords don't match", category='danger')
+        flask.flash("New passwords don't match", category='danger')
         return flask.render_template('passwd.html')
 
     if _passwd_kadmin(current, new):
-        flask.flash(u'Password changed', category='info')
+        flask.flash('Password changed', category='info')
     else:
-        flask.flash(u'Wrong password', category='danger')
+        flask.flash('Wrong password', category='danger')
     return flask.render_template('passwd.html')

webapp/vcard.py

@@ -59,7 +59,7 @@ def attr_op(op, attrName, uid = None, success_redirect='/vcard',
         if form.is_submitted():
             for field, errors in form.errors.items():
                 for error in errors:
-                    flask.flash(u"Error in the {} field - {}".format(
+                    flask.flash("Error in the {} field - {}".format(
                         getattr(form, field).label.text,
                         error
                     ), 'danger')