/self.dataset instead of + self.dataset

proxtoolbox/experiments/phase/Phasepack_Experiment.py

@@ -71,7 +71,7 @@ class Phasepack_Experiment(PhaseExperiment):
         # so that we can use the automatic data loading feature (i.e., GetData.getData("Phasepack")).
         # Another possibility is to write code that downloads the data files directly from 
         # the original website (https://rice.app.box.com/v/TransmissionMatrices)
-        data_dir = datadir/'Phase' + self.dataset
+        data_dir = datadir/'Phase'/self.dataset
         filenames = ['A_GS.mat', 'YH_squared_test.mat', 'XH_test.mat']
         for filename in filenames:
             data_path = data_dir + filename