No need for try

chia/data_layer/data_layer.py

@@ -638,18 +638,15 @@ async def fetch_and_validate(self, store_id: bytes32) -> None:
             )
             # Had trouble with this generation, so generate full file for the generation we currently have
             if not os.path.exists(filename_full_tree):
-                try:
-                    with open(filename_full_tree, "wb") as writer:
-                        await self.data_store.write_tree_to_file(
-                            root=root,
-                            node_hash=root.node_hash,
-                            store_id=store_id,
-                            deltas_only=False,
-                            writer=writer,
-                        )
-                        self.log.info(f"Successfully written full tree filename {filename_full_tree}.")
-                except FileNotFoundError:
-                    pass  # ignore any problems with writing the file
+                with open(filename_full_tree, "wb") as writer:
+                    await self.data_store.write_tree_to_file(
+                        root=root,
+                        node_hash=root.node_hash,
+                        store_id=store_id,
+                        deltas_only=False,
+                        writer=writer,
+                    )
+                    self.log.info(f"Successfully written full tree filename {filename_full_tree}.")
 
     async def get_downloader(self, store_id: bytes32, url: str) -> Optional[PluginRemote]:
         request_json = {"store_id": store_id.hex(), "url": url}