Re #18108 Fixed flake warnings

Testing/SystemTests/tests/analysis/ISIS_PowderPearlTest.py

@@ -3,7 +3,6 @@ from __future__ import (absolute_import, division, print_function)
 import os
 import stresstesting
 
-import mantid.simpleapi as mantid
 from mantid import config
 
 from isis_powder.pearl import Pearl
@@ -95,4 +94,3 @@ def _setup_pearl_instrument(tt_mode):
                       calibration_directory=_get_calibration_dir(), output_directory=_get_output_dir(),
                       calibration_config_path=calibration_map_file_path)
     return pearl_obj
-

scripts/Diffraction/isis_powder/abstract_inst.py

@@ -5,7 +5,7 @@ from abc import ABCMeta, abstractmethod
 
 from six import add_metaclass
 
-from isis_powder.routines import calibrate, focus, common
+from isis_powder.routines import calibrate, focus
 
 
 # This class provides common hooks for instruments to override
@@ -104,8 +104,6 @@ class AbstractInst(object):
         return None
 
     # Optional overrides
-
-
     @abstractmethod
     def apply_absorb_corrections(self, run_details, van_ws, gen_absorb=False):
         """

scripts/Diffraction/isis_powder/pearl_routines/pearl_algs.py

@@ -44,6 +44,7 @@ def generate_vanadium_absorb_corrections(van_ws):
     mantid.CreateSampleShape(InputWorkspace=shape_ws, ShapeXML='<sphere id="sphere_1"> <centre x="0" y="0" z= "0" />\
                                                       <radius val="0.005" /> </sphere>')
 
+    calibration_full_paths = None
     absorb_ws = \
         mantid.AbsorptionCorrection(InputWorkspace=shape_ws, AttenuationXSection="5.08",
                                     ScatteringXSection="5.1", SampleNumberDensity="0.072",

scripts/Diffraction/isis_powder/polaris_routines/polaris_algs.py

@@ -3,7 +3,6 @@ from __future__ import (absolute_import, division, print_function)
 import mantid.simpleapi as mantid
 import os
 from isis_powder.routines import common, yaml_parser
-from isis_powder.routines.common_enums import InputBatchingEnum
 from isis_powder.routines.RunDetails import RunDetails
 from isis_powder.polaris_routines import polaris_advanced_config
 

scripts/Diffraction/isis_powder/routines/RunDetails.py

@@ -19,4 +19,3 @@ class RunDetails(object):
         self.splined_vanadium_file_path = None
         self.vanadium_absorption_path = None
         self.vanadium_run_numbers = None
-

scripts/Diffraction/isis_powder/routines/yaml_parser.py

 from __future__ import (absolute_import, division, print_function)
 
 import os
-import warnings
 import yaml
 from isis_powder.routines import common as common
 from isis_powder.routines import yaml_sanity