`self._tokens[1]`: `IndexError: list index out of range`

[sobolevn]

https://github.com/dry-python/returns/actions/runs/8437642376/job/23107904196?pr=1810

Run poetry run flake8 .
Traceback (most recent call last):
  File "/home/runner/work/returns/returns/.venv/lib/python3.11/site-packages/wemake_python_styleguide/checker.py", line 154, in run
    visitor.run()
  File "/home/runner/work/returns/returns/.venv/lib/python3.11/site-packages/wemake_python_styleguide/visitors/base.py", line 286, in run
    self.visit(token)
  File "/home/runner/work/returns/returns/.venv/lib/python3.11/site-packages/wemake_python_styleguide/visitors/ast/function_empty_lines.py", line 150, in visit
    ).analyze()
      ^^^^^^^^^
  File "/home/runner/work/returns/returns/.venv/lib/python3.11/site-packages/wemake_python_styleguide/visitors/ast/function_empty_lines.py", line 114, in analyze
    function.name_token(),
    ^^^^^^^^^^^^^^^^^^^^^
  File "/home/runner/work/returns/returns/.venv/lib/python3.11/site-packages/wemake_python_styleguide/visitors/ast/function_empty_lines.py", line 18, in name_token
    return self._tokens[1]
           ~~~~~~~~~~~~^^^
IndexError: list index out of range