diff --git a/README.md b/README.md
index 154e4bd..f4724a6 100755
--- a/README.md
+++ b/README.md
@@ -6,9 +6,6 @@
-
-
-
diff --git a/pyproject.toml b/pyproject.toml
index c5286cb..fba0bca 100755
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -37,11 +37,8 @@ sphinx = { version = "^4.0.0", optional = true }
sphinxcontrib-trio = { version = "*", optional = true }
furo = { version = "*", optional = true }
-[tool.poetry.group.dev.dependencies]
-black = "*"
-
[tool.poetry.dev-dependencies]
-black = "^21.6b0"
+black = "*"
isort = "^5.9.2"
[tool.poetry.extras]