diff --git a/diagrams/__init__.py b/diagrams/__init__.py
index 48818462..e2495b9b 100644
--- a/diagrams/__init__.py
+++ b/diagrams/__init__.py
@@ -74,9 +74,16 @@ class Diagram:
 
     # TODO: Label position option
     # TODO: Save directory option (filename + directory?)
-    def __init__(self, name: str = "", direction: str = "LR",
-                    outformat: str = "png", show: bool = True,
-                    graph_attr: dict = {}, node_attr: dict = {}, edge_attr: dict = {}):
+    def __init__(
+        self,
+        name: str = "",
+        direction: str = "LR",
+        outformat: str = "png",
+        show: bool = True,
+        graph_attr: dict = {},
+        node_attr: dict = {},
+        edge_attr: dict = {},
+    ):
         """Diagram represents a global diagrams context.
 
         :param name: Diagram name. It will be used for output filename.
diff --git a/diagrams/oci/__init__.py b/diagrams/oci/__init__.py
index c1fc149f..67047fca 100644
--- a/diagrams/oci/__init__.py
+++ b/diagrams/oci/__init__.py
@@ -9,4 +9,4 @@ class _OCI(Node):
     _provider = "oci"
     _icon_dir = "resources/oci"
 
-    fontcolor = "#2d3436"
\ No newline at end of file
+    fontcolor = "#2d3436"