Error using && Logical Operators

[rlio]

Hi
using && logical operator in .tf files like
count = var.env == "dev" && length(var.notification) > 0 ? 1 : 0

running blast-radius give an exception like

[2023-11-30 18:00:39,456] ERROR in app: Exception on /graph.json [GET]
Traceback (most recent call last):
File "/home/user/.local/lib/python3.10/site-packages/flask/app.py", line 1455, in wsgi_app
response = self.full_dispatch_request()
File "/home/user/.local/lib/python3.10/site-packages/flask/app.py", line 869, in full_dispatch_request
rv = self.handle_user_exception(e)
File "/home/user/.local/lib/python3.10/site-packages/flask/app.py", line 867, in full_dispatch_request
rv = self.dispatch_request()
File "/home/user/.local/lib/python3.10/site-packages/flask/app.py", line 852, in dispatch_request
return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
File "/usr/local/lib/python3.10/dist-packages/blastradius/server/server.py", line 61, in graph_json
tf = Terraform(os.getcwd())
File "/usr/local/lib/python3.10/dist-packages/blastradius/handlers/terraform.py", line 26, in init
self.config = hcl.load(config_io)
File "/home/user/.local/lib/python3.10/site-packages/hcl/api.py", line 62, in load
return loads(fp.read(), export_comments=export_comments)
File "/home/user/.local/lib/python3.10/site-packages/hcl/api.py", line 81, in loads
return HclParser().parse(s, export_comments=export_comments)
File "/home/user/.local/lib/python3.10/site-packages/hcl/parser.py", line 642, in parse
return self.yacc.parse(
File "/home/user/.local/lib/python3.10/site-packages/hcl/ply/yacc.py", line 330, in parse
lookahead = get_token() # Get the next token
File "/home/user/.local/lib/python3.10/site-packages/hcl/lexer.py", line 391, in token
return self.lex.token()
File "/home/user/.local/lib/python3.10/site-packages/hcl/ply/lex.py", line 388, in token
newtok = self.lexerrorf(tok)
File "/home/user/.local/lib/python3.10/site-packages/hcl/lexer.py", line 364, in t_error
_raise_error(t)
File "/home/user/.local/lib/python3.10/site-packages/hcl/lexer.py", line 19, in _raise_error
raise ValueError(
ValueError: Line 324, column 35, index 7859: Illegal character '&'