Return a cache entry.

src/morethantext/mod.rs

@@ -1,6 +1,10 @@
 pub mod error;
 
-use async_std::{fs::create_dir, path::Path, sync::{Arc, Mutex}};
+use async_std::{
+    fs::create_dir,
+    path::Path,
+    sync::{Arc, Mutex},
+};
 use error::DBError;
 use rand::{distributions::Alphanumeric, thread_rng, Rng};
 use std::{collections::HashMap, fmt};