Fix dict KeyError (#153)
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@ -34,7 +34,7 @@ class Cache(object):
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Accessing a node updates its position to the front of the LRU list.
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Accessing a node updates its position to the front of the LRU list.
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"""
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"""
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node = self.lookup[query]
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node = self.lookup.get(query)
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if node is None:
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if node is None:
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return None
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return None
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self.linked_list.move_to_front(node)
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self.linked_list.move_to_front(node)
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@ -47,7 +47,7 @@ class Cache(object):
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If the entry is new and the cache is at capacity, removes the oldest entry
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If the entry is new and the cache is at capacity, removes the oldest entry
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before the new entry is added.
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before the new entry is added.
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"""
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"""
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node = self.lookup[query]
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node = self.lookup.get(query)
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if node is not None:
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if node is not None:
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# Key exists in cache, update the value
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# Key exists in cache, update the value
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node.results = results
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node.results = results
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