Fix condition

apps/course/templates/course/course.html

@@ -25,7 +25,7 @@
         </div>
         <div class="go__title">Вернуться</div>
       </a>
-      {% if course.author != request.user not paid and course.price %}
+      {% if course.author != request.user and not paid and course.price %}
       <a
         class="go__btn btn{% if pending %} btn_gray{% endif %} btn_md"
         {% if user.is_authenticated %}
@@ -392,7 +392,7 @@
         </div>
         {% endif %}
       </div>
-      {% if course.author != request.user not paid and course.price %}
+      {% if course.author != request.user and not paid and course.price %}
       <a
         class="go__btn btn{% if pending %} btn_gray{% endif %} btn_md"
         {% if user.is_authenticated %}