@@ -442,7 +442,7 @@ def getContext(self):
     def backupContext(self):
         try:
             context = self.getContext()
-            for instance in self.session.dirty and not in context:
+            for instance in self.session.dirty and instance not in context:
                 context.append(self.load(instance))
         except Exception as exception:
             log.warning(self.backupContext, 'Not possible backup context', exception=exception)
 
@@ -15,7 +15,7 @@
 sudo ln -s /usr/local/bin/pipX.Y /usr/bin/pip
 ''')
 
-VERSION = '0.4.42'
+VERSION = '0.4.43'
 
 NAME = 'python_framework'
 PACKAGE_NAME = NAME