fix exec locals

Phys/DecayTreeTuple/python/DecayTreeTuple/Configuration.py

@@ -101,7 +101,7 @@ def addTupleTool(self, tool, name=None):
     tooltype = ''
     toolname = ''
     toolinstance = ''
-
+    _locals = locals()
     ################# Step 2: retrieve the configurable for the tool in question ############
     if type(tool) is str:
         tool, name2 = self.__splitname__(tool)
@@ -109,14 +109,14 @@ def addTupleTool(self, tool, name=None):
             name = name2
         #will fail here if the configurable doesn't exist
         try:
-            exec ('from Configurables import ' + tool)
-            exec ('config = ' + tool + '()')
+            exec ('from Configurables import ' + tool, globals(), _locals)
+            exec ('config = ' + tool + '()', globals(), _locals)
+            config = _locals['config']
         except ImportError:
             raise ImportError('The TupleTool ' + tool +
                               ' does not exist, check the name and try again')
     else:
         config = tool
-
     ################# Step 3: add to Self ###################################################
     if name is None: self.addTool(config)
     else: self.addTool(config, name)
@@ -137,10 +137,10 @@ def addTupleTool(self, tool, name=None):
         tool = tool.split(".")[-1]
 
     if name is None:
-        exec ('instance=self.' + tool)
+        exec ('instance=self.' + tool, globals(), _locals)
     else:
-        exec ('instance=self.' + name)
-
+        exec ('instance=self.' + name, globals(), _locals)
+    instance = _locals['instance']
     #mother,tool,name=instance.splitName()
 
     if instance.getFullName() in self.ToolList: