diff --git a/TTS/bin/train_vocoder_gan.py b/TTS/bin/train_vocoder_gan.py
index 38aa69e578..730506c192 100644
--- a/TTS/bin/train_vocoder_gan.py
+++ b/TTS/bin/train_vocoder_gan.py
@@ -445,7 +445,9 @@ def evaluate(model_G, criterion_G, model_D, criterion_D, ap, global_step, epoch)
         # Sample audio
         predict_waveform = y_hat[0].squeeze(0).detach().cpu().numpy()
         real_waveform = y_G[0].squeeze(0).cpu().numpy()
-        tb_logger.tb_eval_audios(global_step, {"eval/audio": predict_waveform, "eval/real_waveformo": real_waveform}, c.audio["sample_rate"])
+        tb_logger.tb_eval_audios(
+            global_step, {"eval/audio": predict_waveform, "eval/real_waveformo": real_waveform}, c.audio["sample_rate"]
+        )
 
         tb_logger.tb_eval_stats(global_step, keep_avg.avg_values)
 
diff --git a/TTS/tts/layers/tacotron/common_layers.py b/TTS/tts/layers/tacotron/common_layers.py
index d110319a9f..f78ff1e75f 100644
--- a/TTS/tts/layers/tacotron/common_layers.py
+++ b/TTS/tts/layers/tacotron/common_layers.py
@@ -87,7 +87,15 @@ class Prenet(nn.Module):
     """
 
     # pylint: disable=dangerous-default-value
-    def __init__(self, in_features, prenet_type="original", prenet_dropout=True, dropout_at_inference=False, out_features=[256, 256], bias=True):
+    def __init__(
+        self,
+        in_features,
+        prenet_type="original",
+        prenet_dropout=True,
+        dropout_at_inference=False,
+        out_features=[256, 256],
+        bias=True,
+    ):
         super().__init__()
         self.prenet_type = prenet_type
         self.prenet_dropout = prenet_dropout
diff --git a/TTS/tts/layers/tacotron/tacotron.py b/TTS/tts/layers/tacotron/tacotron.py
index 153af5b766..dcb5fdc505 100644
--- a/TTS/tts/layers/tacotron/tacotron.py
+++ b/TTS/tts/layers/tacotron/tacotron.py
@@ -306,7 +306,6 @@ def __init__(
         # processed_inputs, processed_memory -> |Attention| -> Attention, attention, RNN_State
         # attention_rnn generates queries for the attention mechanism
         self.attention_rnn = nn.GRUCell(in_channels + 128, self.query_dim)
-
         self.attention = init_attn(
             attn_type=attn_type,
             query_dim=self.query_dim,
diff --git a/TTS/tts/models/tacotron.py b/TTS/tts/models/tacotron.py
index 1608a92a54..297c8e3e93 100644
--- a/TTS/tts/models/tacotron.py
+++ b/TTS/tts/models/tacotron.py
@@ -93,6 +93,7 @@ def __init__(
             attn_norm,
             prenet_type,
             prenet_dropout,
+            prenet_dropout_at_inference,
             forward_attn,
             trans_agent,
             forward_attn_mask,
diff --git a/TTS/tts/utils/generic_utils.py b/TTS/tts/utils/generic_utils.py
index dcbdc5b765..641d49b2d4 100644
--- a/TTS/tts/utils/generic_utils.py
+++ b/TTS/tts/utils/generic_utils.py
@@ -68,7 +68,7 @@ def setup_model(num_chars, num_speakers, c, speaker_embedding_dim=None):
             attn_norm=c.attention_norm,
             prenet_type=c.prenet_type,
             prenet_dropout=c.prenet_dropout,
-            prenet_dropout_at_inference=c.prenet_dropout_at_inference if 'prenet_dropout_at_inference' in c else False,
+            prenet_dropout_at_inference=c.prenet_dropout_at_inference if "prenet_dropout_at_inference" in c else False,
             forward_attn=c.use_forward_attn,
             trans_agent=c.transition_agent,
             forward_attn_mask=c.forward_attn_mask,
@@ -97,7 +97,7 @@ def setup_model(num_chars, num_speakers, c, speaker_embedding_dim=None):
             attn_norm=c.attention_norm,
             prenet_type=c.prenet_type,
             prenet_dropout=c.prenet_dropout,
-            prenet_dropout_at_inference=c.prenet_dropout_at_inference if 'prenet_dropout_at_inference' in c else False,
+            prenet_dropout_at_inference=c.prenet_dropout_at_inference if "prenet_dropout_at_inference" in c else False,
             forward_attn=c.use_forward_attn,
             trans_agent=c.transition_agent,
             forward_attn_mask=c.forward_attn_mask,
diff --git a/TTS/tts/utils/text/symbols.py b/TTS/tts/utils/text/symbols.py
index b48082b3cf..6efe392009 100644
--- a/TTS/tts/utils/text/symbols.py
+++ b/TTS/tts/utils/text/symbols.py
@@ -11,7 +11,7 @@ def make_symbols(
     characters, phonemes=None, punctuations="!'(),-.:;? ", pad="_", eos="~", bos="^"
 ):  # pylint: disable=redefined-outer-name
     """ Function to create symbols and phonemes """
-    _symbols =  list(characters)
+    _symbols = list(characters)
     _symbols = [bos] + _symbols if len(bos) > 0 and bos is not None else _symbols
     _symbols = [eos] + _symbols if len(bos) > 0 and eos is not None else _symbols
     _symbols = [pad] + _symbols if len(bos) > 0 and pad is not None else _symbols
diff --git a/TTS/vocoder/tf/models/melgan_generator.py b/TTS/vocoder/tf/models/melgan_generator.py
index 90e0fa0ca0..205a240ec2 100644
--- a/TTS/vocoder/tf/models/melgan_generator.py
+++ b/TTS/vocoder/tf/models/melgan_generator.py
@@ -10,6 +10,7 @@
 
 from TTS.vocoder.tf.layers.melgan import ReflectionPad1d, ResidualStack
 
+
 # pylint: disable=too-many-ancestors
 # pylint: disable=abstract-method
 class MelganGenerator(tf.keras.models.Model):