Fix linter warnings

Makefile

@@ -6,10 +6,6 @@ help:
 
 target_dirs := tests TTS notebooks
 
-test_all:	## run tests and don't stop on an error.
-	nosetests --with-cov -cov  --cover-erase --cover-package TTS tests --nologcapture --with-id
-	./run_bash_tests.sh
-
 test_all:	## run tests and don't stop on an error.
 	nosetests --with-cov -cov  --cover-erase --cover-package TTS tests --nologcapture --with-id
 	./run_bash_tests.sh

TTS/tts/models/align_tts.py

@@ -114,7 +114,7 @@ class AlignTTS(BaseTTS):
         )
 
         if not self.config.model_args.num_chars:
-            chars, self.config, num_chars = self.get_characters(config)
+            _, self.config, num_chars = self.get_characters(config)
             self.config.model_args.num_chars = num_chars
 
         self.emb = nn.Embedding(self.config.model_args.num_chars, self.config.model_args.hidden_channels)

TTS/tts/models/glow_tts.py

@@ -51,7 +51,7 @@ class GlowTTS(BaseTTS):
         for key in config:
             setattr(self, key, config[key])
 
-        chars, self.config, self.num_chars = self.get_characters(config)
+        _, self.config, self.num_chars = self.get_characters(config)
         self.decoder_output_dim = config.out_channels
 
         self.init_multispeaker(config)

TTS/tts/models/speedy_speech.py

@@ -98,7 +98,7 @@ class SpeedySpeech(BaseTTS):
         self.config = config
 
         if "characters" in config:
-            chars, self.config, self.num_chars = self.get_characters(config)
+            _, self.config, self.num_chars = self.get_characters(config)
 
         self.length_scale = (
             float(config.model_args.length_scale)