class_docstr: Applies various transformations to a cell or code block.
  
  The key methods for external use are ``transform_cell()``
  and ``check_complete()``.
class_docstr_tok: ["Applies","various","transformations","to","a","cell","or","code","block",".","The","key","methods","for","external","use","are","``","transform_cell","(",")","``","and","``","check_complete","(",")","``","."]
docstr: Transforms a cell of input code
docstr_tok: ["Transforms","a","cell","of","input","code"]
code: def transform_cell(self, cell: str) -> str:
      """Transforms a cell of input code"""
      if not cell.endswith("\n"):
          cell += "\n"  # Ensure the cell has a trailing newline
      lines = cell.splitlines(keepends=True)
      for transform in self.cleanup_transforms + self.line_transforms:
          lines = transform(lines)
  
      lines = self.do_token_transforms(lines)
      return "".join(lines)
  
imports: import ast
  from codeop import CommandCompiler, Compile
  import re
  import sys
  import tokenize
  from typing import List, Tuple, Optional, Any
  import warnings
  from IPython.utils import tokenutil
label_desc: Use image node_id 4 for calling the TransformerManager obj's underlying member method code with example usage: obj.transform_cell(cell) and returns: str