Patch for Ranger to reset the parent tmux window name on exit. **Does NOT grab correct name from prior to ranger start, but can be used to hard code a name to reset to

TmuxWindowRename

diff --git a/ranger/gui/ui.py b/ranger/gui/ui.py
index 3898a7a..2ea5b28 100644
--- a/ranger/gui/ui.py
+++ b/ranger/gui/ui.py
@@ -6,6 +6,7 @@ import sys
 import curses
 import _curses
 
+from subprocess import check_output
 from .displayable import DisplayableContainer
 from .mouse_event import MouseEvent
 from ranger.ext.keybinding_parser import KeyBuffer, KeyMaps, ALT_KEY
@@ -87,6 +88,11 @@ class UI(DisplayableContainer):
         self.is_on = True
 
         if self.settings.update_tmux_title:
+            # Grab previous tmux window name for restoration when ranger is closed
+            try:
+                self.tmux_pname = check_output(["tmux", "display-message", "-p", "'#W'"], stderr=open(os.devnull, 'wb'))
+            except subprocess.CalledProcessError:
+                self.tmux_pname = ''
             sys.stdout.write("\033kranger\033\\")
             sys.stdout.flush()
 
@@ -122,6 +128,12 @@ class UI(DisplayableContainer):
     def destroy(self):
         """Destroy all widgets and turn off curses"""
         DisplayableContainer.destroy(self)
+
+        # Reset tmux window name
+        if self.settings.update_tmux_title:
+            sys.stdout.write("\033k" + str(self.tmux_pname) + "\033\\")
+            sys.stdout.flush()
+
         self.suspend()
 
     def handle_mouse(self):