diff --git a/Generators/Prophecy4fControl/CMakeLists.txt b/Generators/Prophecy4fControl/CMakeLists.txt
index ab8154addd443fa8d004b34ab714d52c33f85723..62d883c17120ce31ac0b2e016d211e00f90833cf 100644
--- a/Generators/Prophecy4fControl/CMakeLists.txt
+++ b/Generators/Prophecy4fControl/CMakeLists.txt
@@ -15,6 +15,6 @@ atlas_add_executable( DRM
                       LINK_LIBRARIES ${ROOT_LIBRARIES} )
 
 # Install files from the package:
-atlas_install_python_modules( python/*.py python/decorators )
+atlas_install_python_modules( python/*.py python/decorators POST_BUILD_CMD ${ATLAS_FLAKE8} )
 atlas_install_joboptions( share/*.py )
 
diff --git a/Generators/Prophecy4fControl/python/DecoratorFactory.py b/Generators/Prophecy4fControl/python/DecoratorFactory.py
index 60b329bf5a8ea30e51bc0d107b77a04491b9140b..998d37b19c18a6b5ae14f97bec71133014579f01 100644
--- a/Generators/Prophecy4fControl/python/DecoratorFactory.py
+++ b/Generators/Prophecy4fControl/python/DecoratorFactory.py
@@ -1,6 +1,6 @@
-#! /usr/bin/env python
+# Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration
 
-from decorators import *
+from decorators import DecoratorFromDefault, DecoratorFromPowheg
 
 def decorate( prophecy_controller, decorator, **kwargs ) :
   ## Initialise correct decorator for Prophecy configurable
diff --git a/Generators/Prophecy4fControl/python/ProphecyConfig.py b/Generators/Prophecy4fControl/python/ProphecyConfig.py
index 6f7cbedd16d6969b8fef094a352a803820e79e8a..40682d29ae01e1aa46f80a86f816ec3000eae234 100644
--- a/Generators/Prophecy4fControl/python/ProphecyConfig.py
+++ b/Generators/Prophecy4fControl/python/ProphecyConfig.py
@@ -1,4 +1,5 @@
-#! /usr/bin/env python
+# Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration
+
 import os, subprocess, time
 from DecoratorFactory import decorate
 from AthenaCommon import Logging
@@ -33,7 +34,7 @@ class ProphecyConfig(object) :
     self.add_parameter_set( 'fromDefault' )
 
     ## Initialise values from runArgs
-    if runArgs == None :
+    if runArgs is None :
       self.logger.warning( 'No run arguments found! Using defaults.' )
     else :
       # Read values from runArgs
diff --git a/Generators/Prophecy4fControl/python/ProphecyPowhegDefault.py b/Generators/Prophecy4fControl/python/ProphecyPowhegDefault.py
index 7e27b8b9067d899f58c423a97f23e212f62c93dc..49fdc5a5f888cc9f586be34f8c5cb3b4fcb0ccab 100644
--- a/Generators/Prophecy4fControl/python/ProphecyPowhegDefault.py
+++ b/Generators/Prophecy4fControl/python/ProphecyPowhegDefault.py
@@ -1,4 +1,5 @@
-#! /usr/bin/env python
+# Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration
+
 from ProphecyConfig import ProphecyConfig
 
 class ProphecyPowhegDefault(ProphecyConfig) :
diff --git a/Generators/Prophecy4fControl/python/ProphecyPowhegMerge.py b/Generators/Prophecy4fControl/python/ProphecyPowhegMerge.py
index 4a60dcf5fba4a2fb9fba9ffebfed3ce0747c193a..129415436a625446a7a9aeedbac82cb8b8c02dee 100644
--- a/Generators/Prophecy4fControl/python/ProphecyPowhegMerge.py
+++ b/Generators/Prophecy4fControl/python/ProphecyPowhegMerge.py
@@ -1,4 +1,4 @@
-#! /usr/bin/env python
+# Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration
 import os, subprocess, time, glob
 from AthenaCommon import Logging
 from PowhegControl import RepeatingTimer
@@ -26,7 +26,7 @@ class ProphecyPowhegMerge(object) :
     self.__input_prophecy_file_name = 'ProphecyOTF._1.events'
 
     ## Initialise values from runArgs
-    if runArgs == None :
+    if runArgs is None :
       self.logger.warning( 'No run arguments found! Using defaults.' )
     else :
       # Read values from runArgs
diff --git a/Generators/Prophecy4fControl/python/__init__.py b/Generators/Prophecy4fControl/python/__init__.py
index 9ee08c96c733e24334f81c60aa33750908cfb584..88d7b7298111ea3822ada474b458b970ecad90ff 100644
--- a/Generators/Prophecy4fControl/python/__init__.py
+++ b/Generators/Prophecy4fControl/python/__init__.py
@@ -1,4 +1,5 @@
-from ProphecyConfig import *
-from ProphecyPowhegDefault import *
-from ProphecyPowhegMerge import *
-from .decorators import *
+# Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration
+from ProphecyConfig import *          # noqa: F401, F403
+from ProphecyPowhegDefault import *   # noqa: F401, F403
+from ProphecyPowhegMerge import *     # noqa: F401, F403
+from .decorators import *             # noqa: F401, F403
diff --git a/Generators/Prophecy4fControl/python/decorators/DecoratorFromDefault.py b/Generators/Prophecy4fControl/python/decorators/DecoratorFromDefault.py
index ebff63cbf61644e0ce69a8042b92fa1a369d8396..7a1343df89696e292f454b9023148015b454c362 100644
--- a/Generators/Prophecy4fControl/python/decorators/DecoratorFromDefault.py
+++ b/Generators/Prophecy4fControl/python/decorators/DecoratorFromDefault.py
@@ -1,4 +1,4 @@
-#! /usr/bin/env python
+# Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration
 
 class DecoratorFromDefault(object) :
 
diff --git a/Generators/Prophecy4fControl/python/decorators/DecoratorFromPowheg.py b/Generators/Prophecy4fControl/python/decorators/DecoratorFromPowheg.py
index 5e77016e9fc63a7607ea1661655fd86ba532dfd1..98c74d5f02421cbb726366e7be822789946f3be4 100644
--- a/Generators/Prophecy4fControl/python/decorators/DecoratorFromPowheg.py
+++ b/Generators/Prophecy4fControl/python/decorators/DecoratorFromPowheg.py
@@ -1,4 +1,4 @@
-#! /usr/bin/env python
+# Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration
 
 from PowhegControl import ATLASCommonParameters
 
diff --git a/Generators/Prophecy4fControl/python/decorators/__init__.py b/Generators/Prophecy4fControl/python/decorators/__init__.py
index 6e4d88587e9b7ea8d44f36d548c7755d652185e8..a2de9e3a2ab3b9cdaa986943f7e24a2f4851dacb 100644
--- a/Generators/Prophecy4fControl/python/decorators/__init__.py
+++ b/Generators/Prophecy4fControl/python/decorators/__init__.py
@@ -1,2 +1,3 @@
-from DecoratorFromDefault import *
-from DecoratorFromPowheg import *
+# Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration
+from DecoratorFromDefault import *  # noqa: F401, F403
+from DecoratorFromPowheg import *   # noqa: F401, F403