Added subfield subcode classes into catalogs.

Author: jlavauzelle

src/sage/coding/codes_catalog.py

@@ -33,6 +33,7 @@
 from .grs import GeneralizedReedSolomonCode
 from .reed_muller_code import ReedMullerCode, BinaryReedMullerCode
 from .extended_code import ExtendedCode
+from .subfield_subcode import SubfieldSubcode
 
 from .guava import QuasiQuadraticResidueCode, RandomLinearCodeGuava
 _lazy_import('sage.coding.punctured_code', 'PuncturedCode')

src/sage/coding/decoders_catalog.py

@@ -53,6 +53,7 @@
                  GRSErrorErasureDecoder)
 from .guruswami_sudan.gs_decoder import GRSGuruswamiSudanDecoder
 from .extended_code import ExtendedCodeOriginalCodeDecoder
+from .subfield_subcode import SubfieldSubcodeOriginalCodeDecoder
 from .grs import (GRSBerlekampWelchDecoder,
                  GRSGaoDecoder,
                  GRSKeyEquationSyndromeDecoder,