check seed_version first

lib/wallet.py

@@ -1607,16 +1607,6 @@ class Wallet(object):
 
     def __new__(self, storage):
 
-        run_hook('add_wallet_types', wallet_types)
-        wallet_type = storage.get('wallet_type')
-        if wallet_type:
-            for cat, t, name, c in wallet_types:
-                if t == wallet_type:
-                    WalletClass = c
-                    break
-            else:
-                raise BaseException('unknown wallet type', wallet_type)
-        else:
         seed_version = storage.get('seed_version')
         if not seed_version:
             seed_version = OLD_SEED_VERSION if len(storage.get('master_public_key','')) == 128 else NEW_SEED_VERSION
@@ -1628,6 +1618,16 @@ class Wallet(object):
             print msg
             sys.exit(1)
 
+        run_hook('add_wallet_types', wallet_types)
+        wallet_type = storage.get('wallet_type')
+        if wallet_type:
+            for cat, t, name, c in wallet_types:
+                if t == wallet_type:
+                    WalletClass = c
+                    break
+            else:
+                raise BaseException('unknown wallet type', wallet_type)
+        else:
             if seed_version == OLD_SEED_VERSION:
                 WalletClass = OldWallet
             else: