POLQA evaluation score.

webrtc/modules/audio_processing/test/py_quality_assessment/quality_assessment/exceptions.py

Index: webrtc/modules/audio_processing/test/py_quality_assessment/quality_assessment/exceptions.py
diff --git a/webrtc/modules/audio_processing/test/py_quality_assessment/quality_assessment/exceptions.py b/webrtc/modules/audio_processing/test/py_quality_assessment/quality_assessment/exceptions.py
new file mode 100644
index 0000000000000000000000000000000000000000..b67a64e0c468139822718dd327aa4d837c531207
--- /dev/null
+++ b/webrtc/modules/audio_processing/test/py_quality_assessment/quality_assessment/exceptions.py
@@ -0,0 +1,18 @@
+# Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
+#
+# Use of this source code is governed by a BSD-style license
+# that can be found in the LICENSE file in the root of the source
+# tree. An additional intellectual property rights grant can be found
+# in the file PATENTS.  All contributing project authors may
+# be found in the AUTHORS file in the root of the source tree.
+
+"""Exception classes.
+"""
+
+
+class FileNotFoundError(Exception):
+  pass
+
+
+class SignalProcessingException(Exception):
+  pass