removed duplicated code, using pydal's _compat.py

gluon/globals.py

@@ -13,7 +13,7 @@ Contains the classes for the global used variables:
 - Session
 
 """
-from gluon._compat import pickle, StringIO, copyreg, Cookie, urlparse, PY2, iteritems, to_unicode, to_native, unicodeT
+from pydal._compat import pickle, StringIO, copyreg, Cookie, urlparse, PY2, iteritems, to_unicode, to_native, unicodeT
 from gluon.storage import Storage, List
 from gluon.streamer import streamer, stream_file_or_304_or_206, DEFAULT_CHUNK_SIZE
 from gluon.contenttype import contenttype
@@ -436,7 +436,7 @@ class Response(Storage):
         self._vars.update(b)
         self._view_environment.update(self._vars)
         if view:
-            from gluon._compat import StringIO
+            from pydal._compat import StringIO
             (obody, oview) = (self.body, self.view)
             (self.body, self.view) = (StringIO(), view)
             run_view_in(self._view_environment)