diff --git a/csoundengine/__init__.py b/csoundengine/__init__.py
index 01d732d..7b36b33 100644
--- a/csoundengine/__init__.py
+++ b/csoundengine/__init__.py
@@ -116,6 +116,7 @@
 from .offline import OfflineSession as OfflineSession
 from .synth import SynthGroup as SynthGroup
 from .event import Event
+from . import instr
 from . import tools
 from . import busproxy
 from . import schedevent
diff --git a/csoundengine/csoundlib.py b/csoundengine/csoundlib.py
index 4ee0c63..e2c20fa 100755
--- a/csoundengine/csoundlib.py
+++ b/csoundengine/csoundlib.py
@@ -118,7 +118,6 @@ def compressionBitrateToQuality(bitrate: int, fmt='ogg') -> float:
         bitrate: the bitrate in kb/s, oneof 64, 80, 96, 128, 160, 192, 224, 256, 320, 500
         fmt: the encoding format (ogg at the moment)
     """
-    compressionQualityToBitrate(quality=0.5, fmt='foo')
     if fmt == 'ogg':
         bitrates = [64, 80, 96, 128, 128, 160, 192, 224, 256, 320, 500]
         idx = emlib.misc.nearest_index(bitrate, bitrates)