Use iHotfix.originalStringIO rather than re-importing StringIO to make sure...

Use iHotfix.originalStringIO rather than re-importing StringIO to make sure that unit tests use the same class.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@16839 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Type/tests/ERP5TypeTestCase.py

@@ -80,17 +80,17 @@ try:
   # ZopeTestCase REQUESTs
   ZopeTestCase.installProduct('iHotfix', quiet=install_product_quiet)
   from Products import iHotfix
-  from StringIO import StringIO as OrigStringIO
   from types import UnicodeType
   # revert monkey patchs from iHotfix
   iHotfix.get_request = get_request
 
-  class UnicodeSafeStringIO(OrigStringIO):
+  originalStringIO = iHotfix.originalStringIO
+  class UnicodeSafeStringIO(originalStringIO):
     """StringIO like class which never fails with unicode."""
     def write(self, s):
       if isinstance(s, UnicodeType):
         s = s.encode('utf8', 'repr')
-      OrigStringIO.write(self, s)
+      originalStringIO.write(self, s)
   # iHotFix will patch PageTemplate StringIO with
   iHotfix.iHotfixStringIO = UnicodeSafeStringIO
 except ImportError: