problem with running my program in python - Raspberry Pi Forums

i wrote following code on computer , it's worked.

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#!/usr/bin/python3  os import path  import gi gi.require_version('gst', '1.0') gi.repository import gobject, gst, gtk  # needed window.get_xid(), xvimagesink.set_window_handle(), respectively: gi.repository import gdkx11, gstvideo   gobject.threads_init() gst.init(none)   class player(object):     def __init__(self):           self.window = gtk.window()         self.window.connect('destroy', self.quit)         self.window.set_default_size(800, 450)          self.drawingarea = gtk.drawingarea()         self.window.add(self.drawingarea)          # create gstreamer pipeline         self.pipeline = gst.pipeline()         self.pipeline_a = gst.pipeline()          # create bus events gstreamer pipeline         self.bus = self.pipeline.get_bus()         self.bus.add_signal_watch()         self.bus.connect('message::eos', self.on_eos)         self.bus.connect('message::error', self.on_error)          # needed make video output in our drawingarea:         self.bus.enable_sync_message_emission()         self.bus.connect('sync-message::element', self.on_sync_message) ############################################################################## #video pipeline #| #| #v ##############################################################################         self.tcpsrc = gst.elementfactory.make('tcpclientsrc','tcpsrc')         self.tcpsrc.set_property("host", '192.168.1.12')         self.tcpsrc.set_property("port", 5000)          self.gdepay = gst.elementfactory.make('gdpdepay', 'gdepay')                   self.rdepay = gst.elementfactory.make('rtph264depay', 'rdepay')          self.avdec = gst.elementfactory.make('avdec_h264', 'avdec')          self.vidconvert = gst.elementfactory.make('videoconvert', 'vidconvert')                  self.asink = gst.elementfactory.make('autovideosink', 'asink')         self.asink.set_property('sync', false)         #self.asink.set_property('emit-signals', true)         #self.set_property('drop', true)          self.pipeline.add(self.tcpsrc)         self.pipeline.add(self.gdepay)         self.pipeline.add(self.rdepay)         self.pipeline.add(self.avdec)         self.pipeline.add(self.vidconvert)         self.pipeline.add(self.asink)          self.tcpsrc.link(self.gdepay)         self.gdepay.link(self.rdepay)         self.rdepay.link(self.avdec)         self.avdec.link(self.vidconvert)         self.vidconvert.link(self.asink) ############################################################################## #^ #| #| #video pipeline ##############################################################################   ############################################################################## #audio pipeline #| #| #v ##############################################################################          self.udpsrc = gst.elementfactory.make('udpsrc', 'udpsrc')         self.udpsrc.set_property("port",5001)         audiocaps = gst.caps.from_string("application/x-rtp")         self.udpsrc.set_property("caps", audiocaps)          self.queue = gst.elementfactory.make('queue', 'queue')                   self.rtppcmudepay = gst.elementfactory.make('rtppcmudepay', 'rtppcmudepay')          self.mulawdec = gst.elementfactory.make('mulawdec', 'mulawdec')          self.audioconvert = gst.elementfactory.make('audioconvert', 'audioconvert')                  self.autoaudiosink = gst.elementfactory.make('autoaudiosink', 'autoaudiosink')         self.autoaudiosink.set_property('sync', false)          self.pipeline_a.add(self.udpsrc)         self.pipeline_a.add(self.queue)         self.pipeline_a.add(self.rtppcmudepay)         self.pipeline_a.add(self.mulawdec)         self.pipeline_a.add(self.audioconvert)         self.pipeline_a.add(self.autoaudiosink)          self.udpsrc.link(self.queue)         self.queue.link(self.rtppcmudepay)         self.rtppcmudepay.link(self.mulawdec)         self.mulawdec.link(self.audioconvert)         self.audioconvert.link(self.autoaudiosink)  ############################################################################## #^ #| #| #audio pipeline ##############################################################################      def run(self):         self.window.show_all()         # need xid after window.show_all().  shouldn't         # in on_sync_message() handler because threading issues cause         # segfaults there.         self.xid = self.drawingarea.get_property('window').get_xid()         self.pipeline.set_state(gst.state.playing)         self.pipeline_a.set_state(gst.state.playing)         gtk.main()      def quit(self, window):         self.pipeline.set_state(gst.state.null)         gtk.main_quit()      def on_sync_message(self, bus, msg):         if msg.get_structure().get_name() == 'prepare-window-handle':             print('prepare-window-handle')             msg.src.set_window_handle(self.xid)      def on_eos(self, bus, msg):         print('on_eos(): seeking start of video')         self.pipeline.seek_simple(             gst.format.time,                     gst.seekflags.flush | gst.seekflags.key_unit,             0         )      def on_error(self, bus, msg):         print('on_error():', msg.parse_error())   p = player() p.run(

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when want run on raspbian, following error:

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** (do.py:3394): warning **: error retrieving accessibility bus address: org.freedesktop.dbus.error.serviceunknown: name org.a11y.bus not provided .service files error:root:could not find typelib gstvideo traceback (most recent call last):   file "do.py", line 10, in <module>     gi.repository import gdkx11, gstvideo importerror: cannot import name gstvideo

please help

raspberrypi