diff --git a/hbp_nrp_music_interface/hbp_nrp_music_interface/launch/MUSICMPILauncher.py b/hbp_nrp_music_interface/hbp_nrp_music_interface/launch/MUSICMPILauncher.py
index 0843afbefbb3d92d5d723ee909ba5b3735202433..e16fda14058aae80d9afcbf100b69146a909c59a 100644
--- a/hbp_nrp_music_interface/hbp_nrp_music_interface/launch/MUSICMPILauncher.py
+++ b/hbp_nrp_music_interface/hbp_nrp_music_interface/launch/MUSICMPILauncher.py
@@ -152,6 +152,7 @@ class MUSICMPILauncher(object):
             return
 
         # request the ip of the Gazebo node, result will be -1 if not found
+        # pylint:disable=unpacking-non-sequence
         res, _, ip = rosnode.get_api_uri(rospy.get_master(), '/gazebo', True)
         if res == -1:
             return
diff --git a/hbp_nrp_music_interface/requirements.txt b/hbp_nrp_music_interface/requirements.txt
index b915898e0b74e4a64860e04e9121683842e66ebe..fb7fe6f6ddb0b6c3cf98aebc1333cec983558c3f 100644
--- a/hbp_nrp_music_interface/requirements.txt
+++ b/hbp_nrp_music_interface/requirements.txt
@@ -1 +1,3 @@
 # third party requirements
+mpi4py==2.0.0
+netifaces==0.8