code: def check_empty_tuple(node):
      if not isinstance(node, ast.Call):
          return
      if not isinstance(node.func, ast.Name):
          return
      if node.func.id == "tuple" and len(node.args) == 0:
          yield (node.lineno, "init by tuple()")
  
file_path: chainercv/style_checker.py
imports: import argparse
  import ast
  import os
  import sys
label_desc: Use image node_id 6 for calling a global function with example usage: check_empty_tuple(node) without return types