python: only set session_id from Features on firmwares that send it

4 years ago · 7f63cf28b0
parent 6dace16033
commit 7f63cf28b0
1 changed files with 2 additions and 1 deletions
--- a/python/src/trezorlib/client.py
+++ b/python/src/trezorlib/client.py
@ -268,7 +268,8 @@ class TrezorClient:
            self.features.patch_version,
        )
        self.check_firmware_version(warn_only=True)
-        self.session_id = self.features.session_id
+        if self.features.session_id is not None:
+            self.session_id = self.features.session_id

    def is_outdated(self):
        if self.features.bootloader_mode: