Fix test for Python <3.10 compat

main.py

@@ -1,3 +1,4 @@
+from __future__ import annotations
 import io
 import json
 import logging

tests/test_parse.py

@@ -13,8 +13,9 @@ for node in ast.walk(tree):
         func_def = node
         break
 
-# exec only the function
-exec(compile(ast.Module([func_def], []), "<parse>", "exec"))
+# exec only the function (with from __future__ import annotations for <3.10 compat)
+func_src = "from __future__ import annotations\n" + ast.unparse(func_def)
+exec(compile(func_src, "<parse>", "exec"))
 
 def test_login_pass():
     r = parse_account_line("user:pass")