Update comment.md.j2

coverage_comment/template_files/comment.md.j2

@@ -109,7 +109,8 @@
 
 {# Individual file report #}
 {%- block coverage_by_file -%}
-{%- if not files -%}
+{%- if not files %}
+
 _This PR does not seem to contain any modification to coverable code._
 {%- else -%}
 <details><summary>Click to see where and how coverage changed</summary><table><thead>
@@ -246,19 +247,18 @@ _This PR does not seem to contain any modification to coverable code._
 > [!NOTE]
 > The report is truncated to {{ max_files }} files out of {{ count_files }}. To see the full report, please visit the workflow summary page.
 
-{% endif -%}
-
-{%- endif -%}
-{%- endblock coverage_by_file -%}
-
-{%- block footer -%}
+{% block footer -%}
 <sub>
 
 This report was generated by [python-coverage-comment-action](https://github.com/py-cov-action/python-coverage-comment-action)
 
 </sub>
 
 {%- endblock footer -%}
-</details>
+
+{% endif -%}
+
+{%- endif -%}
+{%- endblock coverage_by_file %}
 
 {{ marker -}}