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Fix validation infinite loop with empty platform block (#598)

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* Fix validation infinite loop with empty platform block

* Update util.py
This commit is contained in:
Otto Winter 2019-06-03 09:41:33 +02:00
parent c81e3a3be4
commit 6c564c7b7f
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esphome/util.py
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@ -187,6 +187,8 @@ class OrderedDict(collections.OrderedDict):
def move_to_end(self, key, last=True):
if IS_PY2:
if len(self) == 1:
return
if last:
# When moving to end, just pop and re-add
val = self.pop(key)