class_docstr: A class which manages a mapping from functions to arguments and an inverse
  mapping from arguments to functions.
docstr: Remove the function func_i from the argument to function mapping.
docstr_tok: ["Remove","the","function","func_i","from","the","argument","to","function","mapping","."]
code: def stop_arg_tracking(self, func_i):
      """
      Remove the function func_i from the argument to function mapping.
      """
      for arg in self.func_to_argset[func_i]:
          self.arg_to_funcset[arg].remove(func_i)
  
imports: from collections import defaultdict
  from sympy.core import Basic, Mul, Add, Pow, sympify
  from sympy.core.containers import Tuple, OrderedSet
  from sympy.core.exprtools import factor_terms
  from sympy.core.singleton import S
  from sympy.core.sorting import ordered
  from sympy.core.symbol import symbols, Symbol
  from sympy.matrices import MatrixBase, Matrix, ImmutableMatrix, SparseMatrix, ImmutableSparseMatrix
  from sympy.matrices.expressions import MatrixExpr, MatrixSymbol, MatMul, MatAdd, MatPow, Inverse
  from sympy.matrices.expressions.matexpr import MatrixElement
  from sympy.polys.rootoftools import RootOf
  from sympy.utilities.iterables import numbered_symbols, sift, topological_sort, iterable
  from .None import cse_opts
label_desc: Use image node_id 4 for calling the FuncArgTracker obj's underlying member method code with example usage: obj.stop_arg_tracking(func_i) without return types