Fix a bug when today.year is not in all_years

    AttributeError: 'dict_keys' object has no attribute 'append'

Author: hroncok

naucse/views.py

@@ -112,7 +112,7 @@ def runs(year=None, all=None):
     # List of years to show in the pagination
     # If the current year is not there (no runs that start in the current year
     # yet), add it manually
-    all_years = model.safe_run_years.keys()
+    all_years = list(model.safe_run_years.keys())
     if today.year not in all_years:
         all_years.append(today.year)
     first_year, last_year = min(all_years), max(all_years)