this should work

__init__.py

-__version__ = "1.3.0"

agent/__init__.py

+__version__ = "1.3.0"

tcpip-to-serial-agent.py

@@ -6,7 +6,7 @@ import signal
 import os
 import time
 
-from . import __version__
+from agent import __version__
 from agent.log import get_console_logger
 from agent.tcp_handler import TcpHandler
 from agent.conf import JSON_CONF_FILE, DEFAULT_BAUDRATE, DEFAULT_MAX_DEQUE_SLOTS, DEFAULT_TCP_PORT
@@ -28,7 +28,7 @@ class ConfigKeys(enum.IntEnum):
 
 
 def main():
-    print(f'-- Starting TCP/IP to Serial Agent {__version__}for the iOBC --')
+    print(f'-- Starting TCP/IP to Serial Agent v{__version__} for the iOBC --')
     error_setup()
     try:
         start_application()