Update _kliep.py

Author: ymouad

adapt/instance_based/_kliep.py

@@ -44,8 +44,8 @@ class KLIEP(BaseAdaptEstimator):
     
     .. math::
     
-        \max_{\\alpha_i } \sum_{x_i \in X_T} \log(
-        \sum_{x_j \in X_T} \\alpha_i K_{\sigma}(x_j, x_i))
+        \max_{\\alpha_i } \sum_{x_j \in X_T} \log(
+        \sum_{x_i \in X_T} \\alpha_i K_{\sigma}(x_j, x_i))
         
     Subject to:
     
@@ -320,4 +320,4 @@ def _cross_val_jscore(self, Xs, Xt, sigma, cv):
                 ) + EPS
             ))
             cv_scores.append(j_score)
-        return cv_scores
+        return cv_scores