Catch only ImportError Exception

ERP5Diff.py

@@ -27,7 +27,7 @@ try:
   from Ft.Xml.Domlette import implementation
   def getDOMImplementation():
     return implementation
-except:
+except ImportError:
   from xml.dom.minidom import parse, parseString
   from xml.dom.minidom import getDOMImplementation
   from xml.dom.ext import PrettyPrint