diff --git a/seminar/autocomplete_light_registry.py b/seminar/autocomplete_light_registry.py
index 5dc53e8c..0dde93a0 100644
--- a/seminar/autocomplete_light_registry.py
+++ b/seminar/autocomplete_light_registry.py
@@ -13,21 +13,21 @@ class SkolaAutocomplete(autocomplete_light.AutocompleteModelBase):
 
     model = Skola
 
-    search_fields=['nazev', 'mesto', 'ulice']
+    search_fields = ['nazev', 'mesto', 'ulice']
 
     split_words = True
 
     limit_choices = 15
 
-    attrs={
+    attrs = {
         # This will set the input placeholder attribute:
-        'placeholder': u'Škola',
+        'placeholder': 'Škola',
         # This will set the yourlabs.Autocomplete.minimumCharacters
         # options, the naming conversion is handled by jQuery
         'data-autocomplete-minimum-characters': 1,
     }
 
-    widget_attrs={
+    widget_attrs = {
         'data-widget-maximum-values': 15,
         'class': 'modern-style',
     }
@@ -39,24 +39,24 @@ class ResitelAutocomplete(autocomplete_light.AutocompleteModelBase):
 
     model = Resitel
     
-    search_fields=['jmeno', 'prijmeni']
+    search_fields = ['jmeno', 'prijmeni']
 
     split_words = False
 
     limit_choices = 15
 
     def choice_label(self, resitel):
-        return u"%s, %s (%s)" % (resitel.plne_jmeno(), resitel.mesto, resitel.rok_maturity)
+        return "%s, %s (%s)" % (resitel.plne_jmeno(), resitel.mesto, resitel.rok_maturity)
 
-    attrs={
+    attrs= {
         # This will set the input placeholder attribute:
-        'placeholder': u'Řešitel',
+        'placeholder': 'Řešitel',
         # This will set the yourlabs.Autocomplete.minimumCharacters
         # options, the naming conversion is handled by jQuery
         'data-autocomplete-minimum-characters': 1,
     }
 
-    widget_attrs={
+    widget_attrs = {
         'data-widget-maximum-values': 15,
         # Enable modern-style widget !
         'class': 'modern-style',
@@ -68,26 +68,26 @@ class OrganizatorAutocomplete(autocomplete_light.AutocompleteModelBase):
 
     model = Organizator
     
-    search_fields=['user__first_name', 'user__last_name', 'prezdivka']
+    search_fields = ['user__first_name', 'user__last_name', 'prezdivka']
 
     split_words = False
 
     limit_choices = 15
 
     def choice_label(self, organizator):
-        return u"%s '%s' %s" % (organizator.user.first_name,
+        return "%s '%s' %s" % (organizator.user.first_name,
                                 organizator.prezdivka,
                                 organizator.user.last_name)
 
-    attrs={
+    attrs = {
         # This will set the input placeholder attribute:
-        'placeholder': u'Organizátor',
+        'placeholder': 'Organizátor',
         # This will set the yourlabs.Autocomplete.minimumCharacters
         # options, the naming conversion is handled by jQuery
         'data-autocomplete-minimum-characters': 1,
     }
 
-    widget_attrs={
+    widget_attrs = {
         'data-widget-maximum-values': 15,
         # Enable modern-style widget !
         'class': 'modern-style',
@@ -101,7 +101,7 @@ class ProblemAutocomplete(autocomplete_light.AutocompleteModelBase):
 
     model = Problem
     
-    search_fields=['nazev']
+    search_fields = ['nazev']
 
     split_words = False
 
@@ -111,23 +111,23 @@ class ProblemAutocomplete(autocomplete_light.AutocompleteModelBase):
         if p.stav == Problem.STAV_ZADANY:
             popisek = ""
             try:
-                popisek = u"%s (%s, %s.%s)" % (p.nazev, p.typ, p.cislo_zadani.rocnik.rocnik, p.kod_v_rocniku())
+                popisek = "%s (%s, %s.%s)".format(p.nazev, p.typ, p.cislo_zadani.rocnik.rocnik, p.kod_v_rocniku())
             except:
-                #popisek = u"%s (%s, %s.%s)" % (p.nazev, p.typ, p.stav)
+                #popisek = "%s (%s, %s.%s)".format(p.nazev, p.typ, p.stav)
                 popisek = "CHYBA"
             return popisek
         else:
-            return u"%s (%s, %s)" % (p.nazev, p.typ, p.stav)
+            return "%s (%s, %s)".format(p.nazev, p.typ, p.stav)
 
-    attrs={
+    attrs = {
         # This will set the input placeholder attribute:
-        'placeholder': u'Problém',
+        'placeholder': 'Problém',
         # This will set the yourlabs.Autocomplete.minimumCharacters
         # options, the naming conversion is handled by jQuery
         'data-autocomplete-minimum-characters': 1,
     }
 
-    widget_attrs={
+    widget_attrs = {
         'data-widget-maximum-values': 10,
         # Enable modern-style widget !
         'class': 'modern-style',