diff --git a/src/installer/scripts.py b/src/installer/scripts.py
index 5de5e7de..1a1ac99f 100644
--- a/src/installer/scripts.py
+++ b/src/installer/scripts.py
@@ -126,7 +126,7 @@ def _get_launcher_data(self, kind: "LauncherKind") -> Optional[bytes]:
         key = (self.section, kind)
         try:
             name = _ALLOWED_LAUNCHERS[key]
-        except KeyError as exc:
+        except KeyError:
             error = f"{key!r} not in {sorted(_ALLOWED_LAUNCHERS)!r}"
             raise InvalidScript(error) from None
         return read_binary(_scripts, name)