Fix python style errors

DDDigi/python/digitize.py

@@ -8,6 +8,7 @@
 # For the list of contributors see $DD4hepINSTALL/doc/CREDITS.
 #
 # ==========================================================================
+from __future__ import absolute_import
 import dd4hep
 import dddigi
 

examples/DDDigi/scripts/DigiTest.py

@@ -8,10 +8,11 @@
 # For the list of contributors see $DD4hepINSTALL/doc/CREDITS.
 #
 # ==========================================================================
-
+from __future__ import absolute_import
 import dddigi
 import logging
 from g4units import ns
+
 logging.basicConfig(format='%(levelname)s: %(message)s', level=logging.INFO)
 logger = logging.getLogger(__name__)
 

examples/DDDigi/scripts/TestInput.py

@@ -8,6 +8,7 @@
 # For the list of contributors see $DD4hepINSTALL/doc/CREDITS.
 #
 # ==========================================================================
+from __future__ import absolute_import
 
 def run():
   import DigiTest

examples/DDDigi/scripts/TestMultiInteractions.py

@@ -8,7 +8,7 @@
 # For the list of contributors see $DD4hepINSTALL/doc/CREDITS.
 #
 # ==========================================================================
-from g4units import ns
+from __future__ import absolute_import
 
 def run():
   import DigiTest

examples/DDDigi/scripts/TestSegmentationSplit.py

@@ -8,7 +8,7 @@
 # For the list of contributors see $DD4hepINSTALL/doc/CREDITS.
 #
 # ==========================================================================
-from g4units import ns
+from __future__ import absolute_import
 
 def run():
   import DigiTest

examples/DDDigi/scripts/TestSpillover.py

@@ -8,6 +8,7 @@
 # For the list of contributors see $DD4hepINSTALL/doc/CREDITS.
 #
 # ==========================================================================
+from __future__ import absolute_import
 from g4units import ns
 
 def run():