class_docstr: Constraint scope.
  
  Parameters
  ----------
  fenter : function
      A function that will be called to create an enter context.
  
  Note
  ----
  Do not create object directly, use Analyzer.constraint_scope
class_docstr_tok: ["Constraint","scope",".","Parameters","--","--","--","--","--","fenter",":","function","A","function","that","will","be","called","to","create","an","enter","context",".","Note","--","--","Do","not","create","object","directly",",","use","Analyzer.constraint_scope"]
code: def __init__(self, fenter):
      self._fenter = fenter
      self._fexit = None
  
imports: from enum import IntEnum
  from typing import Union
  import tvm._ffi
  from tvm import tir, ir
  from tvm.runtime import Object
  from .None import _ffi_api
label_desc: Use image node_id 1 to create a new ConstraintScope object  with example: obj = ConstraintScope(fenter)