Re #15118 Fix pylint

scripts/Interface/reduction_gui/reduction/reflectometer/refl_data_script.py

+#pylint: disable=R0902, W0221, W0621
 """
     Classes for each reduction step. Those are kept separately
     from the the interface class so that the HFIRReduction class could
     be used independently of the interface implementation
 """
 import xml.dom.minidom
-import os
-import time
 from reduction_gui.reduction.scripter import BaseScriptElement
 
 class DataSets(BaseScriptElement):
@@ -67,7 +66,7 @@ class DataSets(BaseScriptElement):
     # how to treat overlap values
     overlap_lowest_error = True
     overlap_mean_value = False
-    
+
     # Primary fraction range
     clocking_from = None
     clocking_to = None
@@ -217,9 +216,9 @@ class DataSets(BaseScriptElement):
         self.reset()
         dom = xml.dom.minidom.parseString(xml_str)
         self.from_xml_element(dom)
-        element_list = dom.getElementsByTagName("RefLData")
-        if len(element_list)>0:
-            instrument_dom = element_list[0]
+        #element_list = dom.getElementsByTagName("RefLData")
+        #if len(element_list)>0:
+        #    instrument_dom = element_list[0]
 
     def from_xml_element(self, instrument_dom):
         """
@@ -310,7 +309,8 @@ class DataSets(BaseScriptElement):
 
         # Angle offset
         self.angle_offset = BaseScriptElement.getFloatElement(instrument_dom, "angle_offset", default=DataSets.angle_offset)
-        self.angle_offset_error = BaseScriptElement.getFloatElement(instrument_dom, "angle_offset_error", default=DataSets.angle_offset_error)
+        self.angle_offset_error = BaseScriptElement.getFloatElement(instrument_dom, "angle_offset_error",
+                                                                    default=DataSets.angle_offset_error)
 
         #scaling factor file and options
         self.scaling_factor_file = BaseScriptElement.getStringElement(instrument_dom, "scaling_factor_file")
@@ -336,7 +336,7 @@ class DataSets(BaseScriptElement):
         # Primary fraction
         self.clocking_from = BaseScriptElement.getIntElement(instrument_dom, "clocking_from", default=None)
         self.clocking_to = BaseScriptElement.getIntElement(instrument_dom, "clocking_to", default=None)
-        
+
 
     def reset(self):
         """
@@ -393,7 +393,7 @@ class DataSets(BaseScriptElement):
         self.fourth_column_flag = DataSets.fourth_column_flag
         self.fourth_column_dq0 = DataSets.fourth_column_dq0
         self.fourth_column_dq_over_q = DataSets.fourth_column_dq_over_q
-        
+
         # Primary fraction
         self.clocking_from = DataSets.clocking_from
         self.clocking_to = DataSets.clocking_to