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theano/configdefaults.py

@@ -136,6 +136,10 @@ AddConfigVar('nocleanup',
         BoolParam(False),
         in_c_key=False)
 
+# This flag is used when we import Theano to init global variable.
+# So changing it after import won't change those global variable.
+# This could be changed... but for now I do the fast fix to disable the
+# change at run time.
 AddConfigVar('tensor.cmp_sloppy',
         "Relax tensor._allclose (0) not at all, (1) a bit, (2) more",
         IntParam(0, lambda i: i in (0,1,2), allow_override=False),