Fix a regression in the previous release that broke use of the cd command in session files

Fixes #7829

docs/changelog.rst

@@ -74,6 +74,11 @@ consumption to do the same tasks.
 Detailed list of changes
 -------------------------------------
 
+0.36.3 [future]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+- Fix a regression in the previous release that broke use of the ``cd`` command in session files (:iss:`7829`)
+
 0.36.2 [2024-09-06]
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 

kitty/session.py

@@ -103,7 +103,7 @@ def set_layout(self, val: str) -> None:
     def add_window(self, cmd: Union[None, str, list[str]], expand: Callable[[str], str] = lambda x: x) -> None:
         from .launch import parse_launch_args
         needs_expandvars = False
-        if isinstance(cmd, str):
+        if isinstance(cmd, str) and cmd:
             needs_expandvars = True
             cmd = list(shlex_split(cmd))
         spec = parse_launch_args(cmd)