code: def evaluate_expr(
      self, left: Union[Expr, sympy.logic.boolalg.Boolean]
  ) -> bool:
      assert isinstance(
          left, (Expr, sympy.logic.boolalg.Boolean)
      ), type(left)
      return self.shape_env.evaluate_expr(sympy.sympify(left))
  
imports: import functools
  import itertools
  import logging
  from typing import Any, Callable, Dict, Iterable, List, Optional, Set, Tuple, Union
  import sympy
  from sympy import Expr
  from torch.fx.experimental.symbolic_shapes import ShapeEnv
  from torch.utils._sympy.functions import FloorDiv, ModularIndexing
  from torch.utils._sympy.value_ranges import bound_sympy
  from .utils import sympy_subs, sympy_symbol, VarRanges
  from .virtualized import V
label_desc: Use image node_id 19 for calling the SizeVarAllocator obj's underlying member method code with example usage: obj.evaluate_expr(left) and returns: self