Add working Gluon Xception-65 model. Some cleanup still needed.

Author: rwightman

convert/convert_from_mxnet.py

@@ -5,7 +5,7 @@
 import mxnet as mx
 import gluoncv
 import torch
-from models.model_factory import create_model
+from timm import create_model
 
 parser = argparse.ArgumentParser(description='Convert from MXNet')
 parser.add_argument('--model', default='all', type=str, metavar='MODEL',

timm/models/__init__.py

@@ -10,6 +10,7 @@
 from .gen_efficientnet import *
 from .inception_v3 import *
 from .gluon_resnet import *
+from .gluon_xception import *
 
 from .registry import *
 from .factory import create_model