diff --git a/src/dragonglass/__main__.py b/src/dragonglass/__main__.py
index 5932752..988fa04 100644
--- a/src/dragonglass/__main__.py
+++ b/src/dragonglass/__main__.py
@@ -1,4 +1,5 @@
 import sys
+
 from dragonglass import main
 
 sys.exit(main())
diff --git a/src/dragonglass/dragonglass.py b/src/dragonglass/dragonglass.py
index 204ff7e..4e8dd68 100644
--- a/src/dragonglass/dragonglass.py
+++ b/src/dragonglass/dragonglass.py
@@ -1,11 +1,13 @@
 #!/usr/bin/env python3
 
 import argparse
-import yaml
 from pathlib import Path
 from typing import Any
-from .tree import generate_list, SourceNode, SourceIndex
+
+import yaml
+
 from .mparse import create_markdown_parser
+from .tree import SourceIndex, SourceNode, generate_list
 
 # The command line parser
 parser = argparse.ArgumentParser(prog='dragonglass')
diff --git a/src/dragonglass/mparse.py b/src/dragonglass/mparse.py
index fde4ed0..184588d 100644
--- a/src/dragonglass/mparse.py
+++ b/src/dragonglass/mparse.py
@@ -1,14 +1,16 @@
 #/usr/bin/env python3
 
 import re
-import markdown
 import xml.etree.ElementTree as etree
 from typing import Any
-from urllib.parse import urlparse
 from urllib.parse import unquote as urlunquote
+from urllib.parse import urlparse
+
+import markdown
 from markdown.extensions import Extension
 from markdown.inlinepatterns import InlineProcessor, SimpleTagInlineProcessor
 from markdown.preprocessors import Preprocessor
+
 from .dragonglass import Context
 
 PRIO_BASE = 10000  # priority base for our extensions
diff --git a/src/dragonglass/tree.py b/src/dragonglass/tree.py
index 5edcf50..a01852e 100644
--- a/src/dragonglass/tree.py
+++ b/src/dragonglass/tree.py
@@ -3,6 +3,7 @@
 from pathlib import Path
 from typing import Any
 from urllib.parse import quote as urlquote
+
 import markdown
 import yaml