fix the bug of 'import path error' for ds2

.notebook/jit_infer.ipynb

@@ -83,8 +83,8 @@
     "from deepspeech.frontend.utility import read_manifest\n",
     "from deepspeech.utils.utility import add_arguments, print_arguments\n",
     "\n",
-    "from deepspeech.models.deepspeech2 import DeepSpeech2Model\n",
-    "from deepspeech.models.deepspeech2 import DeepSpeech2InferModel\n",
+    "from deepspeech.models.ds2 import DeepSpeech2Model\n",
+    "from deepspeech.models.ds2 import DeepSpeech2InferModel\n",
     "from deepspeech.io.dataset import ManifestDataset\n",
     "\n",
     "\n",

deepspeech/exps/deepspeech2/bin/deploy/runtime.py

@@ -23,7 +23,7 @@ from paddle.io import DataLoader
 from deepspeech.exps.deepspeech2.config import get_cfg_defaults
 from deepspeech.io.collator import SpeechCollator
 from deepspeech.io.dataset import ManifestDataset
-from deepspeech.models.deepspeech2 import DeepSpeech2Model
+from deepspeech.models.ds2 import DeepSpeech2Model
 from deepspeech.training.cli import default_argument_parser
 from deepspeech.utils.socket_server import AsrRequestHandler
 from deepspeech.utils.socket_server import AsrTCPServer

deepspeech/exps/deepspeech2/bin/deploy/server.py

@@ -21,7 +21,7 @@ from paddle.io import DataLoader
 from deepspeech.exps.deepspeech2.config import get_cfg_defaults
 from deepspeech.io.collator import SpeechCollator
 from deepspeech.io.dataset import ManifestDataset
-from deepspeech.models.deepspeech2 import DeepSpeech2Model
+from deepspeech.models.ds2 import DeepSpeech2Model
 from deepspeech.training.cli import default_argument_parser
 from deepspeech.utils.socket_server import AsrRequestHandler
 from deepspeech.utils.socket_server import AsrTCPServer

deepspeech/exps/deepspeech2/bin/tune.py

@@ -21,7 +21,7 @@ from paddle.io import DataLoader
 from deepspeech.exps.deepspeech2.config import get_cfg_defaults
 from deepspeech.io.collator import SpeechCollator
 from deepspeech.io.dataset import ManifestDataset
-from deepspeech.models.deepspeech2 import DeepSpeech2Model
+from deepspeech.models.ds2 import DeepSpeech2Model
 from deepspeech.training.cli import default_argument_parser
 from deepspeech.utils import error_rate
 from deepspeech.utils.utility import add_arguments