Added a missing assert.

95d16fd0 · Davis King · c83838c3 · 95d16fd0
Commit 95d16fd0 authored Dec 05, 2017 by Davis King
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tools/python/src/face_recognition.cpp tools/python/src/face_recognition.cpp +1 -0

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--- a/tools/python/src/face_recognition.cpp
+++ b/tools/python/src/face_recognition.cpp
@@ -130,6 +130,7 @@ private:
 boost::python::list chinese_whispers_clustering(boost::python::list descriptors, float threshold)
 {
+    DLIB_CASSERT(threshold > 0);
    boost::python::list clusters;
    size_t num_descriptors = len(descriptors);