code: def __call__(self, q: str = ""):
      if q:
          return self.fixed_content in q
      return False
  
imports: from fastapi import Depends, FastAPI
  from typing_extensions import Annotated
label_desc: Use image node_id 2 for calling the FixedContentQueryChecker obj's underlying member method code with example usage: obj.__call__(q) and returns: False, unknown