Fix errors reported by mypy

Signed-off-by: Jan Lindemann <jan@janware.com>

tools/python/jwutils/Cmd.py

@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 
 from __future__ import annotations
-from typing import List, Type, Union, TypeVar
+from typing import Optional, List, Type, Union, TypeVar
 import inspect, sys, re, abc, argparse
 from argparse import ArgumentParser, _SubParsersAction
 
@@ -17,6 +17,7 @@ class Cmd(abc.ABC): # export
         pass
 
     def __init__(self, name: str, help: str) -> None:
+        from . import Cmds
         self.name = name
         self.help = help
         self.parent = None

tools/python/jwutils/Options.py

@@ -47,7 +47,7 @@ class Options: # export
             slog(ERR, 'Failed to split options string >{}<'.format(opts_str))
             raise
         for opt_str in opt_strs:
-            opt_str = re.sub('\s*=\s*', '=', opt_str)
+            opt_str = re.sub(r'\s*=\s*', '=', opt_str)
             sides = opt_str.split('=')
             lhs = sides[0].strip()
             if not len(lhs):

tools/python/jwutils/asyncio/ShellCmd.py

@@ -99,7 +99,7 @@ class ShellCmd: # export
 
 if __name__ == '__main__':
     import jwutils.log
-    jwutils.log.set_level(INFO)
+    jwutils.log.set_level('info')
     async def run():
         sp = ShellCmd([ 'echo', 'hello world!' ])
         await sp.run()