diff --git a/Makefile b/Makefile
index 5aca01d..dac627d 100644
--- a/Makefile
+++ b/Makefile
@@ -8,15 +8,15 @@ endif
 all: black test typehint lint 
 
 black:
-	poetry run isort --multi-line 3 --profile black src/ tests/
-	poetry run black --target-version py311 src/ tests/
+	rye run isort --multi-line 3 --profile black src/ tests/
+	rye run black --target-version py311 src/ tests/
 
 test:	
 	rye run coverage run -m --source=stacosys pytest tests
 	rye run coverage report
 
 typehint: 
-	rye run mypy --ignore-missing-imports stacosys/ tests/
+	rye run mypy --ignore-missing-imports src/ tests/
 
 lint:
 	rye run pylint src/
diff --git a/src/stacosys/__init__.py b/src/stacosys/__init__.py
deleted file mode 100644
index cc43c5e..0000000
--- a/src/stacosys/__init__.py
+++ /dev/null
@@ -1,7 +0,0 @@
-# from run import stacosys_server
-# 
-# if __name__ == '__main__':
-#     parser = argparse.ArgumentParser()
-#     parser.add_argument("config", help="config path name")
-#     args = parser.parse_args()
-#     stacosys_server(args.config)
diff --git a/src/stacosys/db/__init__.py b/src/stacosys/db/__init__.py
index 01b2a36..fd23efe 100644
--- a/src/stacosys/db/__init__.py
+++ b/src/stacosys/db/__init__.py
@@ -5,7 +5,6 @@ from pydal import DAL, Field
 
 
 class Database:
-
     db_dal = DAL()
 
     def configure(self, db_uri):
diff --git a/src/stacosys/service/configuration.py b/src/stacosys/service/configuration.py
index 986409e..ef348e9 100644
--- a/src/stacosys/service/configuration.py
+++ b/src/stacosys/service/configuration.py
@@ -30,7 +30,6 @@ class ConfigParameter(Enum):
 
 
 class Config:
-
     _cfg = configparser.ConfigParser()
 
     def load(self, config_pathname):
diff --git a/tests/test_db.py b/tests/test_db.py
index 9b235b0..f82b389 100644
--- a/tests/test_db.py
+++ b/tests/test_db.py
@@ -83,13 +83,20 @@ def create_comment(url, author_name, content):
 
 
 def test_find_recent_published_comments(setup_db):
-
-    comments = [create_comment("/post", "Adam", "Comment 1"), create_comment("/post", "Arf", "Comment 2"),
-                create_comment("/post", "Arwin", "Comment 3"), create_comment("/post", "Bill", "Comment 4"),
-                create_comment("/post", "Bo", "Comment 5"), create_comment("/post", "Charles", "Comment 6"),
-                create_comment("/post", "Dan", "Comment 7"), create_comment("/post", "Dwayne", "Comment 8"),
-                create_comment("/post", "Erl", "Comment 9"), create_comment("/post", "Jay", "Comment 10"),
-                create_comment("/post", "Kenny", "Comment 11"), create_comment("/post", "Lord", "Comment 12")]
+    comments = [
+        create_comment("/post", "Adam", "Comment 1"),
+        create_comment("/post", "Arf", "Comment 2"),
+        create_comment("/post", "Arwin", "Comment 3"),
+        create_comment("/post", "Bill", "Comment 4"),
+        create_comment("/post", "Bo", "Comment 5"),
+        create_comment("/post", "Charles", "Comment 6"),
+        create_comment("/post", "Dan", "Comment 7"),
+        create_comment("/post", "Dwayne", "Comment 8"),
+        create_comment("/post", "Erl", "Comment 9"),
+        create_comment("/post", "Jay", "Comment 10"),
+        create_comment("/post", "Kenny", "Comment 11"),
+        create_comment("/post", "Lord", "Comment 12"),
+    ]
 
     rows = dao.find_recent_published_comments()
     assert len(rows) == 0