File fix-crash-issue.patch of Package mate-menu

diff -Nur mate-menu-20.04.3/lib/mate-menu.py mate-menu-20.04.3-new/lib/mate-menu.py
--- mate-menu-20.04.3/lib/mate-menu.py	2020-04-05 07:10:31.000000000 +0800
+++ mate-menu-20.04.3-new/lib/mate-menu.py	2021-08-15 17:25:13.623972927 +0800
@@ -531,7 +531,7 @@
         self.do_load_icon(self.icon)
         self.systemlabel = Gtk.Label(label= "%s " % self.buttonText )
         try:
-            process = subprocess.Popen(['lsb_release', '-d'], stdout=subprocess.PIPE, text=True)
+            process = subprocess.Popen(['lsb_release', '-d'], stdout=subprocess.PIPE, universal_newlines=True)
             out, err = process.communicate()
             tooltip = str(out).replace('Description:', '').strip()
             self.systemlabel.set_tooltip_text(tooltip)