diff --git a/CAL/CalibrationCommon/lib/datacontainers/holography_dataset.py b/CAL/CalibrationCommon/lib/datacontainers/holography_dataset.py
index 726243854664d16f0b1cbc965708eb6de2c52fd0..fd27f7ec0fcc9927fc081fba134a7e329f08b27e 100644
--- a/CAL/CalibrationCommon/lib/datacontainers/holography_dataset.py
+++ b/CAL/CalibrationCommon/lib/datacontainers/holography_dataset.py
@@ -56,13 +56,12 @@ class HolographyDataset():
         self.reference_stations = list()
         # list of frequencies
         self.frequencies = list()
-        # dict(reference_station_name:
-        #      dict(frequency:
-        #                array that contains the ra_dec of which a beam
-        #                points at given a frequency and a beamlet number
-        #                numpy.dtype([('RA', numpy.float64),
-        #                             ('DEC',numpy.float64),
-        #                             ('EPOCH', 'S10')])
+        # dict(frequency:
+        #       array that contains the ra_dec of which a beam
+        #       points at given a frequency and a beamlet number
+        #       numpy.dtype([('RA', numpy.float64),
+        #                    ('DEC',numpy.float64),
+        #                    ('EPOCH', 'S10')])
         self.ra_dec = dict()
         # dict(reference_station_name:
         #      dict(frequency:
@@ -278,6 +277,7 @@ class HolographyDataset():
                         self.data[reference_station][frequency_string][beamlet_string] = \
                             cross_correlation[reference_station_index, :]
 
+
     def __collect_preliminary_information(self, station_name, list_of_hbs_ho_tuples):
         """
         This routines reads both the holography beam specifications files and the holography