fix p1_flexibility bug

utils/pipeline.py

@@ -32,10 +32,10 @@ def p1_flexibility(df: pd.DataFrame, model_name: str) -> pd.DataFrame:
         count = 0
         score = 0
         for i in range(len(responses_vec)):
-            for j in range(1, len(responses_vec)):
+            for j in range(len(responses_vec)):
                 if i == j:
                     continue
-                score += cos_sim(responses_vec[i], responses_vec[j]).item()
+                score += 1 - cos_sim(responses_vec[i], responses_vec[j]).item()
                 count += 1
         return score / count