Fix `num_char` init in Tacotron models

TTS/.models.json

@@ -102,7 +102,8 @@
                 "tacotron2-DDC-GST":{
                     "github_rls_url": "https://github.com/coqui-ai/TTS/releases/download/v0.0.10/tts_models--zh-CN--baker--tacotron2-DDC-GST.zip",
                     "commit": "unknown",
-                    "author": "@kirianguiller"
+                    "author": "@kirianguiller",
+                    "default_vocoder": null
                 }
             }
         },

TTS/bin/synthesize.py

@@ -208,7 +208,7 @@ def main():
     if args.vocoder_name is not None and not args.vocoder_path:
         vocoder_path, vocoder_config_path, _ = manager.download_model(args.vocoder_name)
 
-    # CASE3: set custome model paths
+    # CASE3: set custom model paths
     if args.model_path is not None:
         model_path = args.model_path
         config_path = args.config_path

TTS/tts/models/tacotron.py

@@ -24,6 +24,7 @@ class Tacotron(BaseTacotron):
         super().__init__(config)
 
         self.num_chars, self.config = self.get_characters(config)
+        config.num_chars = self.num_chars
 
         # pass all config fields to `self`
         # for fewer code change

TTS/tts/models/tacotron2.py

@@ -23,7 +23,7 @@ class Tacotron2(BaseTacotron):
         super().__init__(config)
 
         chars, self.config = self.get_characters(config)
-        self.num_chars = len(chars)
+        config.num_chars = len(chars)
         self.decoder_output_dim = config.out_channels
 
         # pass all config fields to `self`