Change Exemplary "cooldown" to 8 hours

tildes/tildes/models/user/user.py

@@ -248,6 +248,6 @@ class User(DatabaseModel):
             if not self.last_exemplary_label_time:
                 return True
 
-            return utc_now() - self.last_exemplary_label_time > timedelta(hours=24)
+            return utc_now() - self.last_exemplary_label_time > timedelta(hours=8)
 
         return True

tildes/tildes/templates/macros/comments.jinja2

@@ -262,7 +262,7 @@
             {% endif %}
           >{{ label.name|lower }}</a>
           {% if label.name == "EXEMPLARY" %}
-            <div class="comment-label-note">One per day</div>
+            <div class="comment-label-note">One per 8 hours</div>
           {% endif %}
         </li>
       {% endfor %}