diff --git a/dev-docs/source/MVPTutorial/CalculatorExample/Model.py b/dev-docs/source/MVPTutorial/CalculatorExample/Model.py
index 6ab73117cd88fd2612439cbbdeaa4761ef9bf6ee..07d23988df23f27d83e59eb9eab81628a99beba5 100644
--- a/dev-docs/source/MVPTutorial/CalculatorExample/Model.py
+++ b/dev-docs/source/MVPTutorial/CalculatorExample/Model.py
@@ -4,6 +4,8 @@
 #   NScD Oak Ridge National Laboratory, European Spallation Source,
 #   Institut Laue - Langevin & CSNS, Institute of High Energy Physics, CAS
 # SPDX - License - Identifier: GPL - 3.0 +
+
+
 class Model(object):
     def __init__(self):
         self.result = 0
diff --git a/dev-docs/source/MVPTutorial/CalculatorExample/Presenter.py b/dev-docs/source/MVPTutorial/CalculatorExample/Presenter.py
index 0132b36a9e846c608ee39edb6caefb9ecb6f62f0..394e05cab403706def0bd2d6cab1381f4c33e05d 100644
--- a/dev-docs/source/MVPTutorial/CalculatorExample/Presenter.py
+++ b/dev-docs/source/MVPTutorial/CalculatorExample/Presenter.py
@@ -4,6 +4,8 @@
 #   NScD Oak Ridge National Laboratory, European Spallation Source,
 #   Institut Laue - Langevin & CSNS, Institute of High Energy Physics, CAS
 # SPDX - License - Identifier: GPL - 3.0 +
+
+
 class Presenter(object):
     # Pass the view and model into the presenter
     def __init__(self, demo_view, demo_model):
diff --git a/scripts/Inelastic/Direct/detpackmap.py b/scripts/Inelastic/Direct/detpackmap.py
index 8db94710c2f1b29cf58f23527813705696dbe8f0..295ba2ed84ab01ebef04c29ed2aff78b4381930e 100644
--- a/scripts/Inelastic/Direct/detpackmap.py
+++ b/scripts/Inelastic/Direct/detpackmap.py
@@ -4,6 +4,8 @@
 #   NScD Oak Ridge National Laboratory, European Spallation Source,
 #   Institut Laue - Langevin & CSNS, Institute of High Energy Physics, CAS
 # SPDX - License - Identifier: GPL - 3.0 +
+
+
 def sequoia(name):
     name = name.strip().upper()
     packs = (['B{}'.format(i) for i in range(1, 37+1)]
diff --git a/scripts/MultiPlotting/AxisChanger/axis_changer_presenter.py b/scripts/MultiPlotting/AxisChanger/axis_changer_presenter.py
index 2715beace9334a54715a3eedc8b466210eed91d2..f154ca8266cfc550a4e8d64173648820ffb38269 100644
--- a/scripts/MultiPlotting/AxisChanger/axis_changer_presenter.py
+++ b/scripts/MultiPlotting/AxisChanger/axis_changer_presenter.py
@@ -4,6 +4,8 @@
 #   NScD Oak Ridge National Laboratory, European Spallation Source,
 #   Institut Laue - Langevin & CSNS, Institute of High Energy Physics, CAS
 # SPDX - License - Identifier: GPL - 3.0 +
+
+
 class AxisChangerPresenter(object):
 
     def __init__(self, view):
diff --git a/scripts/SANS/sans/common/Containers/FloatRange.py b/scripts/SANS/sans/common/Containers/FloatRange.py
index 0c5d72cf655a889eb04ba9201186f3c4fae087fa..4406fa3d054f7929e7c8ed656a463a905287c21c 100644
--- a/scripts/SANS/sans/common/Containers/FloatRange.py
+++ b/scripts/SANS/sans/common/Containers/FloatRange.py
@@ -5,6 +5,8 @@
 #   Institut Laue - Langevin & CSNS, Institute of High Energy Physics, CAS
 # SPDX - License - Identifier: GPL - 3.0 +
 # TODO convert back to NamedTuple with defined types in Python 3
+
+
 class FloatRange(object):
     start = None  # : float
     end= None  #: float
diff --git a/scripts/SANS/sans/common/Containers/MonitorID.py b/scripts/SANS/sans/common/Containers/MonitorID.py
index 6f78fdcc5fef7bbc4ae25b03922c62ac0387d98f..5f1e1fee15a3ee946fe9992c5035ba9cf6291cbe 100644
--- a/scripts/SANS/sans/common/Containers/MonitorID.py
+++ b/scripts/SANS/sans/common/Containers/MonitorID.py
@@ -4,6 +4,8 @@
 #   NScD Oak Ridge National Laboratory, European Spallation Source,
 #   Institut Laue - Langevin & CSNS, Institute of High Energy Physics, CAS
 # SPDX - License - Identifier: GPL - 3.0 +
+
+
 class MonitorID(object):
     def __init__(self, monitor_spec_num, monitor_name = None):
         self.monitor_name = monitor_name
diff --git a/scripts/SANS/sans/common/Containers/Position.py b/scripts/SANS/sans/common/Containers/Position.py
index 5f88e08c750b3bee4d50eb59bcffb4644a6df3ce..ed21b79a6e21f40a28a9eea001f5966366d5f9b4 100644
--- a/scripts/SANS/sans/common/Containers/Position.py
+++ b/scripts/SANS/sans/common/Containers/Position.py
@@ -4,6 +4,8 @@
 #   NScD Oak Ridge National Laboratory, European Spallation Source,
 #   Institut Laue - Langevin & CSNS, Institute of High Energy Physics, CAS
 # SPDX - License - Identifier: GPL - 3.0 +
+
+
 class XYPosition(object):
     X = None  # Float
     Y = None  # Float
diff --git a/scripts/SANS/sans/gui_logic/models/RunSelectionModel.py b/scripts/SANS/sans/gui_logic/models/RunSelectionModel.py
index 4c64178ffa3bf749f7f85253e0cf935ec4db2c82..d97805eb89e8d3ce921bf10a3f64acf384b36cc2 100644
--- a/scripts/SANS/sans/gui_logic/models/RunSelectionModel.py
+++ b/scripts/SANS/sans/gui_logic/models/RunSelectionModel.py
@@ -4,6 +4,8 @@
 #   NScD Oak Ridge National Laboratory, European Spallation Source,
 #   Institut Laue - Langevin & CSNS, Institute of High Energy Physics, CAS
 # SPDX - License - Identifier: GPL - 3.0 +
+
+
 class RunSelectionModel(object):
     def __init__(self, on_change, runs = None):
         self._on_change = on_change
diff --git a/scripts/SANS/sans/gui_logic/models/run_file.py b/scripts/SANS/sans/gui_logic/models/run_file.py
index d0a5177992bf0298cafa4aab10d21245409de44e..cbee1306419676ebdd75794c0bcf5482a9e2b305 100644
--- a/scripts/SANS/sans/gui_logic/models/run_file.py
+++ b/scripts/SANS/sans/gui_logic/models/run_file.py
@@ -4,6 +4,8 @@
 #   NScD Oak Ridge National Laboratory, European Spallation Source,
 #   Institut Laue - Langevin & CSNS, Institute of High Energy Physics, CAS
 # SPDX - License - Identifier: GPL - 3.0 +
+
+
 class SummableRunFile(object):
     def __init__(self, path, run_number, is_event_mode):
         assert(type(path) == str)
diff --git a/scripts/SANS/sans/state/StateRunDataBuilder.py b/scripts/SANS/sans/state/StateRunDataBuilder.py
index f292b01ce07406a1e60004108068f7c2af4d5bd9..7cbe8011d46674d09b3d983ab5130e0684a820a1 100644
--- a/scripts/SANS/sans/state/StateRunDataBuilder.py
+++ b/scripts/SANS/sans/state/StateRunDataBuilder.py
@@ -4,6 +4,8 @@
 #   NScD Oak Ridge National Laboratory, European Spallation Source,
 #   Institut Laue - Langevin & CSNS, Institute of High Energy Physics, CAS
 # SPDX - License - Identifier: GPL - 3.0 +
+
+
 class StateRunDataBuilder(object):
     def __init__(self, file_information):
         self._file_information = file_information