Register scan-related configvars from the scan module

theano/configdefaults.py

@@ -2247,8 +2247,6 @@ add_blas_configvars()
 add_metaopt_configvars()
 add_vm_configvars()
 add_deprecated_configvars()
-# TODO: another example for config that should be added by the module itself:
-add_scan_configvars()
 
 # TODO: `gcc_version_str` is used by other modules.. Should it become an immutable config var?
 try:

theano/scan/__init__.py

@@ -47,6 +47,11 @@ __authors__ = (
 __copyright__ = "(c) 2010, Universite de Montreal"
 __contact__ = "Razvan Pascanu <r.pascanu@gmail>"
 
+from theano import configdefaults
+
+
+configdefaults.add_scan_configvars()
+
 from theano.scan import opt
 from theano.scan.basic import scan
 from theano.scan.checkpoints import scan_checkpoints