hardware wallets: handle when label is None

follow-up 56c3de0e1e
2019-11-18 18:13:26 +01:00
parent aa37979100
commit b8e4ce9ba1
2 changed files with 3 additions and 3 deletions
--- a/electrum/plugins/hw_wallet/plugin.py
+++ b/electrum/plugins/hw_wallet/plugin.py
@@ -159,7 +159,7 @@ class HardwareClientBase:
        """True if initialized, False if wiped."""
        raise NotImplementedError()

-    def label(self) -> str:
+    def label(self) -> Optional[str]:
        """The name given by the user to the device.

        Note: labels are shown to the user to help distinguish their devices,