fix wallet-tool script for Wallet refactor

scripts/wallet-tool.py

@@ -105,6 +105,11 @@ if args[0] in noseed_methods:
 else:
     seed = args[0]
     method = ('display' if len(args) == 1 else args[1].lower())
+    if not os.path.exists(os.path.join('wallets', seed)):
+        wallet = Wallet(seed, None, options.maxmixdepth,
+                        options.gaplimit, extend_mixdepth= not maxmixdepth_configured,
+                        storepassword=(method == 'importprivkey'))
+    else:
         while True:
             try:
                 pwd = get_password("Enter wallet decryption passphrase: ")