Task #10576: small fix for bug in handling IS TAB

SAS/ResourceAssignment/RAtoOTDBTaskSpecificationPropagator/lib/translator.py

@@ -102,8 +102,10 @@ class RAtoOTDBTranslator():
         for sap in storage_properties["saps"]: ##We might need to sort saps?
             if 'nr_of_cs_files' in sap['properties']:
                 nr_files = sap['properties']['nr_of_cs_files']
-                nr_tabs  = sap['properties']['nr_of_tabs']
                 skip_tab = 'is_tab_nr' in sap['properties']
+                nr_tabs  = sap['properties']['nr_of_tabs']
+                if skip_tab: # More verbose solution for clarity, we could also have used -skip_tab
+                    nr_tabs -= 1
                 nr_parts = int(ceil(nr_files/float(nr_tabs * nr_stokes)))
                 for tab in xrange(nr_tabs):
                     if skip_tab: