tracker/pt: return focal length directly

1 files changed, 1 insertions, 1 deletions

diff --git a/tracker-pt/point_extractor.cpp b/tracker-pt/point_extractor.cpp
index d17bd6cd..e68aa132 100644
--- a/tracker-pt/point_extractor.cpp
+++ b/tracker-pt/point_extractor.cpp
@@ -382,7 +382,7 @@ void PointExtractor::extract_points(const cv::Mat& frame, cv::Mat& preview_frame
     }
 end:
 
-    std::sort(blobs.begin(), blobs.end(), [](const blob& b1, const blob& b2) -> bool { return b2.brightness < b1.brightness; });
+    std::sort(blobs.begin(), blobs.end(), [](const blob& b1, const blob& b2) { return b2.brightness < b1.brightness; });
 
     const int W = frame.cols;
     const int H = frame.rows;