Implement ImportKey

src/rpc/system.rs

@@ -384,12 +384,9 @@ impl System {
 			}
 		}
 		if errors.len() == 1 {
-			return Err(Error::Message(errors[0].1.to_string()));
+			Err(Error::Message(errors[0].1.to_string()))
 		} else {
-			return Err(Error::Message(format!(
-				"Could not connect to specified peers. Errors: {:?}",
-				errors
-			)));
+			Err(Error::Message(format!("{:?}", errors)))
 		}
 	}