From: Jan Szejko <janek37@gmail.com>
Date: Tue, 16 Jan 2018 10:47:33 +0000 (+0100)
Subject: stupid bug
X-Git-Url: https://git.mdrn.pl/redakcja.git/commitdiff_plain/de73425f8a37835f8778fbcfd81c41493781f46a

stupid bug
---

diff --git a/apps/wiki/views.py b/apps/wiki/views.py
index 05b9031e..f9a253c1 100644
--- a/apps/wiki/views.py
+++ b/apps/wiki/views.py
@@ -92,7 +92,7 @@ def editor(request, slug, chunk=None, template_name='wiki/bootstrap.html'):
     else:
         text = chunk.materialize()
     gallery_dir = os.path.join(settings.MEDIA_ROOT, settings.IMAGE_DIR, chunk.book.gallery)
-    materials = set(os.listdir(gallery_dir)) if os.path.isdir(gallery_dir) else []
+    materials = set(os.listdir(gallery_dir)) if os.path.isdir(gallery_dir) else set()
     materials.update([n.rsplit('.', 1)[0] for n in materials])
     return render(request, template_name, {
         'serialized_document_data': json.dumps({