Fix cleanup when no device was found

LedgerHQ · Mar 3, 2023 · 5fc73f6 · 5fc73f6
1 parent 48e6e7b
commit 5fc73f6
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/ledgerwallet/client.py b/ledgerwallet/client.py
@@ -164,6 +164,7 @@ class NoLedgerDeviceException(Exception):
 
 class LedgerClient(object):
     def __init__(self, device=None, cla=0xE0, private_key=None):
+        self.device = None
         if device is None:
             devices = enumerate_devices()
             if len(devices) == 0:
@@ -184,7 +185,8 @@ def __del__(self):
         self.close()
 
     def close(self):
-        self.device.close()
+        if self.device is not None:
+            self.device.close()
 
     def raw_exchange(self, data: bytes) -> bytes:
         LOG.debug("=> " + data.hex())