diff --git a/rwx/err/__init__.py b/rwx/err/__init__.py
index 5df6b97..294d8d8 100644
--- a/rwx/err/__init__.py
+++ b/rwx/err/__init__.py
@@ -1,4 +1,5 @@
 """Handle errors."""
 
+
 class Error(Exception):
     """Parent class for all errors."""
diff --git a/rwx/fs/__init__.py b/rwx/fs/__init__.py
index 64a8483..514fcec 100644
--- a/rwx/fs/__init__.py
+++ b/rwx/fs/__init__.py
@@ -56,11 +56,11 @@ def read_file(file_path: str):
         return file_object.read()
 
 
-def read_file_lines(file_path: str, charset:str=CHARSET):
+def read_file_lines(file_path: str, charset: str = CHARSET):
     return read_file_text(file_path).split(os.linesep)
 
 
-def read_file_text(file_path: str, charset:str=CHARSET):
+def read_file_text(file_path: str, charset: str = CHARSET):
     return read_file(file_path).decode(charset)
 
 
@@ -74,7 +74,7 @@ def wipe(path: str) -> None:
         pass
 
 
-def write(file_path: str, text: str, charset:str=CHARSET) -> None:
+def write(file_path: str, text: str, charset: str = CHARSET) -> None:
     """Write text into a file."""
     with open(file_path, "bw") as file_object:
         file_object.write(text.encode(charset))