Don't use the shell to catch output, catch output in python. Fixes #17137 (#17449)

lib/ansible/cli/__init__.py

@@ -479,7 +479,10 @@ class CLI(object):
                 display.display(text)
             else:
                 self.pager_pipe(text, os.environ['PAGER'])
-        elif subprocess.call('(less --version) &> /dev/null', shell = True) == 0:
+        else:
+            p = subprocess.Popen('less --version', shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+            p.communicate()
+            if p.returncode == 0:
                 self.pager_pipe(text, 'less')
             else:
                 display.display(text)