comment and tmlibs fix

consensus/state.go

@@ -1338,7 +1338,8 @@ func (cs *ConsensusState) tryAddVote(vote *types.Vote, peerKey string) error {
 
 			return err
 		} else {
-			// Probably an invalid signature. Bad peer.
+			// Probably an invalid signature / Bad peer.
+			// Seems this can also err sometimes with "Unexpected step" - perhaps not from a bad peer ?
 			cs.Logger.Error("Error attempting to add vote", "err", err)
 			return ErrAddingVote
 		}

glide.lock

@@ -131,7 +131,7 @@ imports:
   subpackages:
   - iavl
 - name: github.com/tendermint/tmlibs
-  version: e2d7f1aa41dde5f29057dd08e64371a574b84c86
+  version: e236218516289f91bde3273e99fe5c1fc20eb304
   subpackages:
   - autofile
   - cli