make lock non-reentrant

Author: mredolatti

splitio/storage/adapters/cache_trait.py

@@ -51,7 +51,7 @@ def __init__(
     ):
         """Class constructor."""
         self._data = {}
-        self._lock = threading.RLock()
+        self._lock = threading.Lock()
         self._max_age_seconds = max_age_seconds
         self._max_size = max_size
         self._lru = None