Fix optional capability handling

ambv · ambv · commit 8aee463f2dd6 · 2025-07-18T17:32:43.000+02:00
diff --git a/Lib/_pyrepl/terminfo.py b/Lib/_pyrepl/terminfo.py
@@ -831,7 +831,7 @@ def get(self, cap: str) -> bytes | None:
 
         if self._capabilities:
             # Fallbacks populated, use them
-            return self._capabilities[cap]
+            return self._capabilities.get(cap)
 
         # Look up in standard capabilities first
         if cap in _STRING_CAPABILITY_NAMES:
