diff --git a/k4FWCore/scripts/k4run b/k4FWCore/scripts/k4run
index 2ce771dd..30d8c713 100755
--- a/k4FWCore/scripts/k4run
+++ b/k4FWCore/scripts/k4run
@@ -226,6 +226,7 @@ def main():
     # Apply fixes from the k4FWCore wrapper
 
     from k4FWCore import ApplicationMgr
+
     ApplicationMgr().fix_properties()
 
     from Gaudi.Main import gaudimain
diff --git a/python/k4FWCore/ApplicationMgr.py b/python/k4FWCore/ApplicationMgr.py
index b2e70c72..ac48f2f2 100644
--- a/python/k4FWCore/ApplicationMgr.py
+++ b/python/k4FWCore/ApplicationMgr.py
@@ -46,14 +46,14 @@ def fix_properties(self):
         except AttributeError:
             self._mgr.EventLoop = EventLoopMgr(Warnings=False)
 
-        if 'MetadataSvc' in self._mgr.allConfigurables:
-            self._mgr.ExtSvc.append(self._mgr.allConfigurables['MetadataSvc'])
+        if "MetadataSvc" in self._mgr.allConfigurables:
+            self._mgr.ExtSvc.append(self._mgr.allConfigurables["MetadataSvc"])
 
-        if 'IOSvc' not in self._mgr.allConfigurables:
+        if "IOSvc" not in self._mgr.allConfigurables:
             return
-        if not isinstance(self._mgr.allConfigurables['IOSvc'], IOSvc):
+        if not isinstance(self._mgr.allConfigurables["IOSvc"], IOSvc):
             raise TypeError("The IOSvc is not an instance of IOSvc")
-        conf = self._mgr.allConfigurables['IOSvc']
+        conf = self._mgr.allConfigurables["IOSvc"]
 
         props = conf.getPropertiesWithDescription()
         reader = writer = None
diff --git a/test/k4FWCoreTest/options/ExampleFunctionalNonExistingFile.py b/test/k4FWCoreTest/options/ExampleFunctionalNonExistingFile.py
index d8faf87a..1e6daf1e 100644
--- a/test/k4FWCoreTest/options/ExampleFunctionalNonExistingFile.py
+++ b/test/k4FWCoreTest/options/ExampleFunctionalNonExistingFile.py
@@ -37,4 +37,4 @@
     EvtMax=-1,
     ExtSvc=[EventDataSvc("EventDataSvc")],
     OutputLevel=INFO,
-    )
+)