diff --git a/.gitignore b/.gitignore
index a12c166a..6aef4dd9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -107,4 +107,4 @@ venv.bak/
 .idea/
 
 # vscode
-.vscode/
\ No newline at end of file
+.vscode/
diff --git a/libp2p/security/typing.py b/libp2p/security/typing.py
index 8ef11f70..b2d3f4c2 100644
--- a/libp2p/security/typing.py
+++ b/libp2p/security/typing.py
@@ -1,4 +1,4 @@
 from typing import TypeVar, Dict, Any, NewType
 
 
-TSecurityDetails = NewType("TSecurityDetails", Dict[str, Any])
\ No newline at end of file
+TSecurityDetails = NewType("TSecurityDetails", Dict[str, Any])