Fix cache key when period is None

diff --git a/teleforma/views/core.py b/teleforma/views/core.py
index 22c22426390103566f441f2f6a5e508da5f250d5..2a2ed46827bb3240069a7cf0028e79da3bea5dba 100644 (file)
--- a/teleforma/views/core.py
+++ b/teleforma/views/core.py
@@ -101,7 +101,7 @@ def format_courses(courses, course=None, queryset=None, types=None):
 
 
 def get_courses(user, date_order=False, num_order=False, num_courses=False, period=None):
-    cache_key = f"get_courses-{user.id}-{date_order}-{num_order}-{num_courses}-{period.id}"
+    cache_key = f"get_courses-{user.id}-{date_order}-{num_order}-{num_courses}-{period and period.id or None}"
     cached_value = cache.get(cache_key)
     if cached_value:
         return cache.get(cache_key)