diff --git a/matcha/models/baselightningmodule.py b/matcha/models/baselightningmodule.py
index 3724888..f0de555 100644
--- a/matcha/models/baselightningmodule.py
+++ b/matcha/models/baselightningmodule.py
@@ -2,6 +2,7 @@
 This is a base lightning module that can be used to train a model.
 The benefit of this abstraction is that all the logic outside of model definition can be reused for different models.
 """
+
 import inspect
 from abc import ABC
 from typing import Any, Dict
diff --git a/matcha/text/__init__.py b/matcha/text/__init__.py
index 71a4b57..452ea64 100644
--- a/matcha/text/__init__.py
+++ b/matcha/text/__init__.py
@@ -1,4 +1,5 @@
 """ from https://github.com/keithito/tacotron """
+
 from matcha.text import cleaners
 from matcha.text.symbols import symbols
 
diff --git a/matcha/text/symbols.py b/matcha/text/symbols.py
index 7018df5..6249513 100644
--- a/matcha/text/symbols.py
+++ b/matcha/text/symbols.py
@@ -2,6 +2,7 @@
 
 Defines the set of symbols used in text input to the model.
 """
+
 _pad = "_"
 _punctuation = ';:,.!?¡¿—…"«»“” '
 _letters = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"
diff --git a/matcha/utils/generate_data_statistics.py b/matcha/utils/generate_data_statistics.py
index 96a5382..fbfedf7 100644
--- a/matcha/utils/generate_data_statistics.py
+++ b/matcha/utils/generate_data_statistics.py
@@ -4,6 +4,7 @@
 
 Parameters from hparam.py will be used
 """
+
 import argparse
 import json
 import os