fix return data.

backend_refactor/service/video_analyzer.py

@@ -159,7 +159,7 @@ class TennisthrowVideoAnalyzer(BaseVideoAnalyzer):
     def _do_analyze(self):
         self.results = {k: analyse_npy_side_jump(v) for k, v in self.results.items()}
         raw = cal_tennisthrow(self.results)[1]
-        return {"raw": raw, "analysis": classify_tennisthrow(raw)}
+        return classify_tennisthrow(raw)
 
 
 class JumpwithbothVideoAnalyzer(BaseVideoAnalyzer):