class_docstr: Python AST visitor pass which finally lowers it to HalideIR
code: def visit_Subscript(self, node):
      args = self.visit(node.slice)
      if sys.version_info >= (3, 9):
          if not isinstance(node.slice, ast.Tuple):
              args = [args]
  
      arr = self.visit(node.value)
      if isinstance(arr, Array):
          for i in args:
              if isinstance(i, numbers.Integral):
                  arr = arr[i]
              else:
                  _internal_assert(
                      isinstance(i, (_expr.IntImm,)),
                      "All indices are supposed to be constants",
                  )
                  arr = arr[i.value]
          return arr
      if isinstance(node.ctx, ast.Load):
          return tvm.tir.ProducerLoad(arr, args)
      return arr, args
  
imports: import ast
  import operator
  import logging
  import sys
  import numbers
  from enum import Enum
  from tvm.ir import Array, Range
  import tvm.runtime
  import tvm.tir
  import tvm.te
  import tvm.te._ffi_api
  import tvm.arith
  from tvm.tir import expr
  from tvm.tir import stmt
  from tvm.te.tensor import Tensor, Operation
  from tvm.tir import all
  from tvm.tir import any
  from .utils import _internal_assert
  from .None import calls
  from .None import utils
  from .preprocessor import determine_variable_usage
label_desc: Use image node_id 15 for calling the HybridParser obj's underlying member method code with example usage: obj.visit_Subscript(node) and returns: arr,  args, arr, tvm