Support layouts with multiple panes of same type

scripts/wk/tmux.py

@@ -36,8 +36,11 @@ def fix_layout(panes, layout, forced=False):
     if name not in panes:
       continue
 
-    # Resize pane
+    # Resize pane(s)
-    pane_id = panes[name]
+    pane_list = panes[name]
+    if isinstance(pane_list, str):
+      pane_list = [pane_list]
+    for pane_id in pane_list:
       try:
         resize_pane(pane_id, **data)
       except RuntimeError: