[Bug] Fix delete cache bug

python/dune/perftool/generation/cache.py

@@ -196,6 +196,18 @@ class _ConditionDict(dict):
             self.tags = tags
 
         def __getitem__(self, i):
+            # If we do not add these special cases the dictionary will return False
+            # when we execute the following code:
+            #
+            # eval ("True", _ConditionDict(v.tags)
+            #
+            # But in this case we want to return True! A normal dictionary would not attempt
+            # to replace "True" if "True" is not a key. The _ConditionDict obviously has no
+            # such concerns ;).
+            if i == "True":
+                return True
+            if i == "False":
+                return False
             return i in self.tags