Update cache.py

src/fcache/cache.py

@@ -139,7 +139,7 @@ def create(self):
         """Create the write buffer and cache directory."""
         if not self._sync and not hasattr(self, "_buffer"):
             self._buffer = {}
-            os.makedirs(self.cache_dir, exist_ok=False)
+            os.makedirs(self.cache_dir, exist_ok=True)
 
     def clear(self):
         """Remove all items from the write buffer and cache.