SAM deploy fails

SAM deploy command fails for below. SAM CLI, version 1.23.0 is used. SAM publish and SAM package are working correct. I uninstalled and reinstalled SAM CLI. but this issue did not fix.
I have python3.8 and python 3.9.5 installed on machine. This is on MAC OS.

sam deploy
Traceback (most recent call last):
File “/usr/local/bin/sam”, line 8, in
sys.exit(cli())
File “/usr/local/Cellar/aws-sam-cli/1.23.0/libexec/lib/python3.8/site-packages/click/core.py”, line 829, in call
return self.main(*args, **kwargs)
File “/usr/local/Cellar/aws-sam-cli/1.23.0/libexec/lib/python3.8/site-packages/click/core.py”, line 782, in main
rv = self.invoke(ctx)
File “/usr/local/Cellar/aws-sam-cli/1.23.0/libexec/lib/python3.8/site-packages/click/core.py”, line 1257, in invoke
sub_ctx = cmd.make_context(cmd_name, args, parent=ctx)
File “/usr/local/Cellar/aws-sam-cli/1.23.0/libexec/lib/python3.8/site-packages/click/core.py”, line 700, in make_context
self.parse_args(ctx, args)
File “/usr/local/Cellar/aws-sam-cli/1.23.0/libexec/lib/python3.8/site-packages/click/core.py”, line 1048, in parse_args
value, args = param.handle_parse_result(ctx, opts, args)
File “/usr/local/Cellar/aws-sam-cli/1.23.0/libexec/lib/python3.8/site-packages/click/core.py”, line 1623, in handle_parse_result
value = self.full_process_value(ctx, value)
File “/usr/local/Cellar/aws-sam-cli/1.23.0/libexec/lib/python3.8/site-packages/click/core.py”, line 1965, in full_process_value
return Parameter.full_process_value(self, ctx, value)
File “/usr/local/Cellar/aws-sam-cli/1.23.0/libexec/lib/python3.8/site-packages/click/core.py”, line 1589, in full_process_value
value = self.process_value(ctx, value)
File “/usr/local/Cellar/aws-sam-cli/1.23.0/libexec/lib/python3.8/site-packages/click/core.py”, line 1579, in process_value
return self.type_cast_value(ctx, value)
File “/usr/local/Cellar/aws-sam-cli/1.23.0/libexec/lib/python3.8/site-packages/click/core.py”, line 1568, in type_cast_value
return _convert(value, (self.nargs != 1) + bool(self.multiple))
File “/usr/local/Cellar/aws-sam-cli/1.23.0/libexec/lib/python3.8/site-packages/click/core.py”, line 1565, in _convert
return self.type(value, self, ctx)
File “/usr/local/Cellar/aws-sam-cli/1.23.0/libexec/lib/python3.8/site-packages/click/types.py”, line 46, in call
return self.convert(value, param, ctx)
File “/usr/local/Cellar/aws-sam-cli/1.23.0/libexec/lib/python3.8/site-packages/click/types.py”, line 412, in convert
value = value.lower()
AttributeError: ‘Bool’ object has no attribute ‘lower’