typing: add a couple of assertions to lrucachedict to help pytype
Fixes the following warnings:
line 1488, in pop: No attribute 'markempty' on None [attribute-error]
In Optional[Union[Any, _lrucachenode, nothing]]
line 1578, in popoldest: No attribute 'markempty' on None [attribute-error]
In Optional[Union[Any, _lrucachenode, nothing]]
Differential Revision: https://phab.mercurial-scm.org/D7674
--- a/mercurial/util.py Sun Dec 15 21:26:21 2019 -0500
+++ b/mercurial/util.py Sun Dec 15 21:28:30 2019 -0500
@@ -1480,6 +1480,8 @@
if default is _notset:
raise
return default
+
+ assert node is not None # help pytype
value = node.value
self.totalcost -= node.cost
node.markempty()
@@ -1567,6 +1569,8 @@
while n.key is _notset:
n = n.prev
+ assert n is not None # help pytype
+
key, value = n.key, n.value
# And remove it from the cache and mark it as empty.