wizard: fix imported address wallets

assertion added in 9350709f13 was failing

electrum/base_wizard.py

@@ -194,7 +194,7 @@ class BaseWizard(object):
         if keystore.is_address_list(text):
             w = Imported_Wallet(self.storage)
             addresses = text.split()
-            good_inputs, bad_inputs = w.import_addresses(addresses)
+            good_inputs, bad_inputs = w.import_addresses(addresses, write_to_disk=False)
         elif keystore.is_private_key_list(text):
             k = keystore.Imported_KeyStore({})
             self.storage.put('keystore', k.dump())

electrum/commands.py

@@ -167,7 +167,7 @@ class Commands:
         if keystore.is_address_list(text):
             wallet = Imported_Wallet(storage)
             addresses = text.split()
-            good_inputs, bad_inputs = wallet.import_addresses(addresses)
+            good_inputs, bad_inputs = wallet.import_addresses(addresses, write_to_disk=False)
             # FIXME tell user about bad_inputs
             if not good_inputs:
                 raise Exception("None of the given addresses can be imported")

electrum/wallet.py

@@ -1329,7 +1329,8 @@ class Imported_Wallet(Simple_Wallet):
     def get_change_addresses(self):
         return []
 
-    def import_addresses(self, addresses: List[str]) -> Tuple[List[str], List[Tuple[str, str]]]:
+    def import_addresses(self, addresses: List[str], *,
+                         write_to_disk=True) -> Tuple[List[str], List[Tuple[str, str]]]:
         good_addr = []  # type: List[str]
         bad_addr = []  # type: List[Tuple[str, str]]
         for address in addresses:
@@ -1343,7 +1344,7 @@ class Imported_Wallet(Simple_Wallet):
             self.addresses[address] = {}
             self.add_address(address)
         self.save_addresses()
-        self.save_transactions(write=True)
+        self.save_transactions(write=write_to_disk)
         return good_addr, bad_addr
 
     def import_address(self, address: str) -> str:
@@ -1408,7 +1409,7 @@ class Imported_Wallet(Simple_Wallet):
     def get_public_key(self, address):
         return self.addresses[address].get('pubkey')
 
-    def import_private_keys(self, keys: List[str], password: Optional[str],
+    def import_private_keys(self, keys: List[str], password: Optional[str], *,
                             write_to_disk=True) -> Tuple[List[str], List[Tuple[str, str]]]:
         good_addr = []  # type: List[str]
         bad_keys = []  # type: List[Tuple[str, str]]