Temp fix author id

apps/course/templates/course/_items.html

@@ -34,7 +34,7 @@
   <div class="courses__content">{{ course.short_description }}
   </div>
   <div class="courses__user user">
-    <a href="{% url 'user' course.author.id %}">
+    <a href="{% if course.author %}{% url 'user' course.author.id %}{% endif %}">
       {% if course.author.photo %}
         <div class="user__ava ava">
           <img class="ava__pic" src="{{ course.author.photo.url }}"/>
@@ -46,7 +46,7 @@
       {% endif %}
     </a>
     <div class="user__info">
-      <a href="{% url 'user' course.author.id %}" class="link--black">
+      <a href="{% if course.author %}{% url 'user' course.author.id %}{% endif %}" class="link--black">
         <div class="user__name">{{ course.author.get_full_name }}</div>
       </a>
       <div class="user__meta">