--- a/issue10.py
+++ b/issue10.py
@@ -12,12 +12,12 @@
 
 
 def init_test():
-    '''
-    Only working when in WinPython root directory.
+    """Only working when in WinPython root directory.
 
-    Returns:
-    maske, data0, data1, no_motion, motion
-    '''
+
+    :returns: maske, data0, data1, no_motion, motion
+
+    """
     maske = read_mask('./MRR/Testdaten/55_mask.bmp')
     display(maske)
     data0 = read_dicom_set('./MRR/Testdaten/188_13-12-10_56_1',