diff --git a/meshtastic/ble_interface.py b/meshtastic/ble_interface.py
index c57930a..885502f 100644
--- a/meshtastic/ble_interface.py
+++ b/meshtastic/ble_interface.py
@@ -250,10 +250,8 @@ class BLEClient:
         self.async_await(self.bleak_client.write_gatt_char(*args, **kwargs))
 
     def has_characteristic(self, specifier):
-        if self.bleak_client.services.get_characteristic(specifier):
-            return True
-        else:
-            return False
+        """Check if the connected node supports a specified characteristic."""
+        return bool(self.bleak_client.services.get_characteristic(specifier))
 
     def start_notify(self, *args, **kwargs):  # pylint: disable=C0116
         self.async_await(self.bleak_client.start_notify(*args, **kwargs))