From d05af3ac9655afbbea43a5ddf82d8ad3d8287a4e Mon Sep 17 00:00:00 2001
From: Alex Ruddick <alex@ruddick.tech>
Date: Sat, 14 Sep 2024 14:31:59 -0500
Subject: [PATCH] from __future__ import annotations

---
 pymodbus_repl/client/mclient.py |  4 ++--
 pymodbus_repl/server/cli.py     | 13 +++++++------
 pymodbus_repl/server/main.py    |  2 +-
 3 files changed, 10 insertions(+), 9 deletions(-)

diff --git a/pymodbus_repl/client/mclient.py b/pymodbus_repl/client/mclient.py
index 85ddb0f..0ca74a0 100644
--- a/pymodbus_repl/client/mclient.py
+++ b/pymodbus_repl/client/mclient.py
@@ -6,6 +6,8 @@
 from pymodbus.client import ModbusSerialClient as _ModbusSerialClient
 from pymodbus.client import ModbusTcpClient as _ModbusTcpClient
 from pymodbus.client.base import ModbusBaseSyncClient as _ModbusBaseSyncClient
+from pymodbus.exceptions import ModbusIOException
+from pymodbus.pdu import ExceptionResponse, ModbusExceptions
 from pymodbus.pdu.diag_message import (
     ChangeAsciiInputDelimiterRequest,
     ClearCountersRequest,
@@ -26,7 +28,6 @@
     ReturnSlaveNAKCountRequest,
     ReturnSlaveNoResponseCountRequest,
 )
-from pymodbus.exceptions import ModbusIOException
 from pymodbus.pdu.mei_message import (
     ReadDeviceInformationRequest,
     ReadDeviceInformationResponse,
@@ -41,7 +42,6 @@
     ReportSlaveIdRequest,
     ReportSlaveIdResponse,
 )
-from pymodbus.pdu import ExceptionResponse, ModbusExceptions
 from pymodbus.pdu.register_write_message import MaskWriteRegisterResponse
 
 
diff --git a/pymodbus_repl/server/cli.py b/pymodbus_repl/server/cli.py
index b5d2451..0617a23 100644
--- a/pymodbus_repl/server/cli.py
+++ b/pymodbus_repl/server/cli.py
@@ -1,9 +1,10 @@
 """Repl server cli."""
+from __future__ import annotations
+
 import functools
 import inspect
 import shutil
 from collections import defaultdict
-from typing import Dict, Optional
 
 import click
 from prompt_toolkit import PromptSession, print_formatted_text
@@ -40,7 +41,7 @@
 )
 COMMAND_ARGS = ["response_type", "error_code", "delay_by", "clear_after", "data_len"]
 RESPONSE_TYPES = ["normal", "error", "delayed", "empty", "stray"]
-COMMANDS: Dict[str, Optional[Dict | Command]] = {
+COMMANDS: dict[str, dict | Command | None] = {
     "manipulator": {
         "response_type": None,
         "error_code": None,
@@ -78,9 +79,9 @@
 }
 
 
-def manipulator_to_dict(response_type: str = 'normal', error_code: Optional[int] = None,
-                        delay_by: Optional[float] = None,
-                        clear_after: Optional[int] = None) -> dict:
+def manipulator_to_dict(response_type: str = 'normal', error_code: int | None = None,
+                        delay_by: float | None = None,
+                        clear_after: int | None = None) -> dict:
     """
     Manipulate response from the server.
 
@@ -147,7 +148,7 @@ def get_terminal_width():
     return shutil.get_terminal_size()[0]
 
 
-def print_help(command: Optional[str] = None):
+def print_help(command: str | None = None):
     """Print help."""
 
     def _print_formatted(cmd: str, hlp: str):
diff --git a/pymodbus_repl/server/main.py b/pymodbus_repl/server/main.py
index 57b3e0f..d47c43e 100644
--- a/pymodbus_repl/server/main.py
+++ b/pymodbus_repl/server/main.py
@@ -12,8 +12,8 @@
 
 import typer
 from pymodbus import pymodbus_apply_logging_config
-from pymodbus.transaction import ModbusSocketFramer
 from pymodbus.logging import Log
+from pymodbus.transaction import ModbusSocketFramer
 from typing_extensions import Annotated
 
 from pymodbus_repl.lib.reactive import (