bug fix

datasetAcquisition.py

@@ -314,10 +314,10 @@ def readData(configFile):
             if  datatype == 'pickle':
                 xTrain, yTrain, xTest, yTest = readFromPickle(configFile)
 
-            if  datatype == 'usps':
+            elif  datatype == 'usps':
                 xTrain, yTrain, xTest, yTest = readUSPS(configFile)
 
-            if  datatype == 'lfw':
+            elif  datatype == 'lfw':
                 xTrain, yTrain, xTest, yTest = readLFW(configFile)
 
             else: