Update app.py

app.py

@@ -157,7 +157,7 @@ add_password_gate()
 def rmse(y_true, y_pred) -> float:
     return float(np.sqrt(mean_squared_error(y_true, y_pred)))
 
-    def pearson_r(y_true, y_pred) -> float:
+def pearson_r(y_true, y_pred) -> float:
     a = np.asarray(y_true, dtype=float)
     p = np.asarray(y_pred, dtype=float)