diff --git a/supysonic/cli.py b/supysonic/cli.py
index 1ad6012..09e2792 100755
--- a/supysonic/cli.py
+++ b/supysonic/cli.py
@@ -10,7 +10,6 @@
 import argparse
 import cmd
 import getpass
-import pipes  # replace by shlex once Python 2.7 supprt is dropped
 import shlex
 import sys
 import time
@@ -424,7 +423,7 @@ def main():
 
     cli = SupysonicCLI(config)
     if len(sys.argv) > 1:
-        cli.onecmd(" ".join(pipes.quote(arg) for arg in sys.argv[1:]))
+        cli.onecmd(" ".join(shlex.quote(arg) for arg in sys.argv[1:]))
     else:
         cli.cmdloop()
 
diff --git a/supysonic/daemon/client.py b/supysonic/daemon/client.py
index 065e685..9f3b096 100644
--- a/supysonic/daemon/client.py
+++ b/supysonic/daemon/client.py
@@ -167,7 +167,7 @@ class DaemonClient(object):
             c.send(ScannerStartCommand(folders, force))
 
     def jukebox_control(self, action, *args):
-        if not isinstance(action, strtype):
+        if not isinstance(action, str):
             raise TypeError("Expecting string, got " + str(type(action)))
         with self.__get_connection() as c:
             c.send(JukeboxCommand(action, args))
diff --git a/supysonic/jukebox.py b/supysonic/jukebox.py
index 5458b67..0d4f0d2 100644
--- a/supysonic/jukebox.py
+++ b/supysonic/jukebox.py
@@ -8,14 +8,13 @@
 # Distributed under terms of the GNU AGPLv3 license.
 
 import logging
-import os
 import shlex
 import time
 
 from datetime import datetime, timedelta
 from pony.orm import db_session, ObjectNotFound
 from random import shuffle
-from subprocess import Popen
+from subprocess import Popen, DEVNULL
 from threading import Thread, Event, RLock
 
 from .db import Track
@@ -31,8 +30,6 @@ class Jukebox(object):
         self.__offset = 0
         self.__start = None
 
-        self.__devnull = None
-
         self.__thread = None
         self.__lock = RLock()
         self.__skip = Event()
@@ -51,18 +48,6 @@ class Jukebox(object):
             return 0
         return int((datetime.utcnow() - self.__start).total_seconds())
 
-    # subprocess.DEVNULL doesn't exist on Python 2.7
-    def _get_devnull(self):
-        if self.__devnull is None:
-            self.__devnull = os.open(os.devnull, os.O_RDWR)
-        return self.__devnull
-
-    def _close_devnull(self):
-        if self.__devnull is None:
-            return
-        os.close(self.__devnull)
-        self.__devnull = None
-
     def set(self, *tracks):
         self.clear()
         self.add(*tracks)
@@ -157,7 +142,6 @@ class Jukebox(object):
 
         proc.terminate()
         proc.wait()
-        self._close_devnull()
         self.__start = None
 
     def __play_file(self):
@@ -172,12 +156,7 @@ class Jukebox(object):
 
         logger.debug("Start playing with command %s", args)
         try:
-            return Popen(
-                args,
-                stdin=self._get_devnull(),
-                stdout=self._get_devnull(),
-                stderr=self._get_devnull(),
-            )
+            return Popen(args, stdin=DEVNULL, stdout=DEVNULL, stderr=DEVNULL)
         except:
             logger.exception("Failed running play command")
             return None