Fixed bug/typo in caching_backend.py: CachingSection.__getitem__()

python/nomadcore/caching_backend.py

@@ -34,14 +34,16 @@ class CachingSection(object):
         self.storeInSuper = storeInSuper
 
     def __getitem__(self, metaName):
-        """Returns the cached values corresponding to metaName, or None if there aren't any"""
+        """Returns the cached values corresponding to metaName, or None if
+        there aren't any. You can search values and subsections.
+        """
         res = self.simpleValues.get(metaName, None)
         if res:
             return res
-        res = arrayValues.arrayValues.get(metaName, None)
+        res = self.arrayValues.get(metaName, None)
         if res:
             return res
-        res = subSectionValues.get(metaName, None)
+        res = self.subSectionValues.get(metaName, None)
         return res
 
     def addValue(self, metaInfo, value):