lint fixes

1 files changed, 5 insertions, 1 deletions

diff --git a/kvmd/logging.py b/kvmd/logging.py
index e012e8f9..894f12af 100644
--- a/kvmd/logging.py
+++ b/kvmd/logging.py
@@ -21,12 +21,16 @@
 
 
 import sys
+import types
 import logging
 
+from typing import Optional
+
 
 # =====
 def get_logger(depth: int=1) -> logging.Logger:
-    frame = sys._getframe(1)  # pylint: disable=protected-access
+    frame: Optional[types.FrameType] = sys._getframe(1)  # pylint: disable=protected-access
+    assert frame
     frames = []
     while frame:
         frames.append(frame)