diff --git a/python/samples/sound_stream.py b/python/samples/sound_stream.py
index e3d588be6..a4e7a470a 100755
--- a/python/samples/sound_stream.py
+++ b/python/samples/sound_stream.py
@@ -24,7 +24,7 @@ class MyCustomStream(sf.SoundStream):
 		# Check if there is enough data to stream
 		if self.myOffset > len(self.myBuffer):
 			# Returning something else than a string means that we want to stop playing the stream
-			return False
+			return ""
 		# Data contains the string of samples we will return
 		if self.myOffset + self.myBufferSize >= len(self.myBuffer):
 			print "End of audio data reached"
diff --git a/python/samples/sound_stream_py3.py b/python/samples/sound_stream_py3.py
index 9cae12797..bd1a73f8e 100755
--- a/python/samples/sound_stream_py3.py
+++ b/python/samples/sound_stream_py3.py
@@ -24,7 +24,7 @@ class MyCustomStream(sf.SoundStream):
 		# Check if there is enough data to stream
 		if self.myOffset > len(self.myBuffer):
 			# Returning something else than a string means that we want to stop playing the stream
-			return False
+			return ""
 		# Data contains the string of samples we will return
 		if self.myOffset + self.myBufferSize >= len(self.myBuffer):
 			print("End of audio data reached")
diff --git a/python/src/Sound.cpp b/python/src/Sound.cpp
index bd3418a9c..926d2c69d 100644
--- a/python/src/Sound.cpp
+++ b/python/src/Sound.cpp
@@ -83,6 +83,19 @@ PySfSound_SetLoop(PySfSound *self, PyObject *args)
 	Py_RETURN_NONE;
 }
 
+static PyObject*
+PySfSound_SetRelativeToListener(PySfSound *self, PyObject *args)
+{
+	self->obj->SetRelativeToListener(PyBool_AsBool(args));
+	Py_RETURN_NONE;
+}
+
+static PyObject*
+PySfSound_IsRelativeToListener(PySfSound *self)
+{
+	return PyBool_FromLong(self->obj->IsRelativeToListener());
+}
+
 static PyObject*
 PySfSound_SetPitch(PySfSound *self, PyObject *args)
 {
@@ -210,6 +223,8 @@ PySfSound_SetPlayingOffset(PySfSound *self, PyObject *args)
 }
 
 static PyMethodDef PySfSound_methods[] = {
+	{"SetRelativeToListener", (PyCFunction)PySfSound_SetRelativeToListener, METH_O, "SetRelativeToListener(Relative)\nMake the sound's position relative to the listener's position, or absolute. The default value is false (absolute)\n	Relative : True to set the position relative, false to set it absolute"},
+	{"IsRelativeToListener", (PyCFunction)PySfSound_IsRelativeToListener, METH_NOARGS, "IsRelativeToListener()\nTell if the sound's position is relative to the listener's position, or if it's absolute."},
 	{"SetPlayingOffset", (PyCFunction)PySfSound_SetPlayingOffset, METH_O, "SetPlayingOffset(TimeOffset)\nSet the current playing position of the sound.\n	TimeOffset : New playing position, expressed in seconds"},
 	{"SetLoop", (PyCFunction)PySfSound_SetLoop, METH_O, "SetLoop(Loop)\nSet the Sound loop state.\n	Loop : True to play in loop, false to play once"},
 	{"SetBuffer", (PyCFunction)PySfSound_SetBuffer, METH_O, "SetBuffer(Buffer)\nSet the source buffer.\n	Buffer : New sound buffer to bind to the sound "},
diff --git a/python/src/SoundStream.cpp b/python/src/SoundStream.cpp
index 2a2f0d54c..bc75ecb60 100644
--- a/python/src/SoundStream.cpp
+++ b/python/src/SoundStream.cpp
@@ -49,11 +49,10 @@ bool CustomSoundStream::OnStart()
 bool CustomSoundStream::OnGetData(Chunk& Data)
 {
 	bool result = false;
-	Py_XDECREF(PyData);
-	PyData = NULL;
-	if (PyObject_HasAttrString(SoundStream, "OnGetData"))
+	Py_CLEAR(PyData);
+	PyObject *Function = PyObject_GetAttrString(SoundStream, "OnGetData");
+	if (Function != NULL)
 	{
-		PyObject *Function = PyObject_GetAttrString(SoundStream, "OnGetData");
 		PyData = PyObject_CallFunction(Function, NULL);
 		if (PyData != NULL)
 		{
@@ -69,8 +68,7 @@ bool CustomSoundStream::OnGetData(Chunk& Data)
 	if (PyErr_Occurred())
 	{
 		PyErr_Print();
-		Py_XDECREF(PyData);
-		PyData = NULL;
+		Py_CLEAR(PyData);
 		return false;
 	}
     return result;
@@ -239,7 +237,22 @@ PySfSoundStream_GetPlayingOffset(PySfSoundStream *self)
 	return PyFloat_FromDouble(self->obj->GetPlayingOffset());
 }
 
+static PyObject*
+PySfSoundStream_SetRelativeToListener(PySfSoundStream *self, PyObject *args)
+{
+	self->obj->SetRelativeToListener(PyBool_AsBool(args));
+	Py_RETURN_NONE;
+}
+
+static PyObject*
+PySfSoundStream_IsRelativeToListener(PySfSoundStream *self)
+{
+	return PyBool_FromLong(self->obj->IsRelativeToListener());
+}
+
 static PyMethodDef PySfSoundStream_methods[] = {
+	{"SetRelativeToListener", (PyCFunction)PySfSoundStream_SetRelativeToListener, METH_O, "SetRelativeToListener(Relative)\nMake the sound's position relative to the listener's position, or absolute. The default value is false (absolute)\n	Relative : True to set the position relative, false to set it absolute"},
+	{"IsRelativeToListener", (PyCFunction)PySfSoundStream_IsRelativeToListener, METH_NOARGS, "IsRelativeToListener()\nTell if the sound's position is relative to the listener's position, or if it's absolute."},
 	{"Initialize", (PyCFunction)PySfSoundStream_Initialize, METH_VARARGS, "Initialize(ChannelsCount, SampleRate)\n\
 Set the audio stream parameters, you must call it before Play()\n\
 	ChannelsCount : Number of channels\n\