[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

file_transfer/send_file.py

@@ -1,8 +1,7 @@
 import socket
 
-def send_file(filename: str = "mytext.txt", testing: bool = False) -> None:
-
 
+def send_file(filename: str = "mytext.txt", testing: bool = False) -> None:
     port = 12312  # Reserve a port for your service.
     sock = socket.socket()  # Create a socket object
     host = socket.gethostname()  # Get local machine name