move to latest working version of peft

llama_lora/utils/lru_cache.py

@@ -0,0 +1,27 @@
+from collections import OrderedDict
+
+
+class LRUCache:
+    def __init__(self, capacity=5):
+        self.cache = OrderedDict()
+        self.capacity = capacity
+
+    def get(self, key):
+        if key in self.cache:
+            # Move the accessed item to the end of the OrderedDict
+            self.cache.move_to_end(key)
+            return self.cache[key]
+        return None
+
+    def set(self, key, value):
+        if key in self.cache:
+            # If the key already exists, update its value
+            self.cache[key] = value
+        else:
+            # If the cache has reached its capacity, remove the least recently used item
+            if len(self.cache) >= self.capacity:
+                self.cache.popitem(last=False)
+            self.cache[key] = value
+
+    def clear(self):
+        self.cache.clear()