Repot and fix a ser/de bug.

substrate/wasm-runtime/polkadot/src/runtime/governance.rs

@@ -28,8 +28,7 @@
 use runtime_support::prelude::*;
 use keyedvec::KeyedVec;
 use storable::{Storable, StorageVec, kill};
-use primitives::{AccountID, Hash, BlockNumber};
-use proposal::Proposal;
+use primitives::{AccountID, Hash, BlockNumber, Proposal};
 use runtime::{staking, system, session};
 
 // TRANSACTION API

substrate/wasm-runtime/polkadot/src/runtime/system.rs

@@ -17,10 +17,11 @@
 //! System manager: Handles all of the top-level stuff; executing block/transaction, setting code
 //! and depositing logs.
 
-use primitives::{Block, BlockNumber, Hash, UncheckedTransaction, TxOrder, Hashable};
+use primitives::{Block, BlockNumber, Hash, UncheckedTransaction, TxOrder};
 use runtime_support::mem;
 use runtime_support::prelude::*;
 use runtime_support::print;
+use hashable::Hashable;
 use storable::Storable;
 use keyedvec::KeyedVec;
 use environment::with_env;