fix

src/piv.rs

@@ -569,7 +569,8 @@ impl Key {
 		        Ok(cert) => keys.push(Key { slot, cert }),
 			Err(Error::InvalidObject) => {}        // skip slots we can't parse (e.g. Ed25519)
 			Err(other) => return Err(other),
-            }
+		}
+	    }
         }
 
         Ok(keys)