class_docstr: Class to represent a relay expression split into regions.
docstr: Get the region an expression belongs to.
  
  Parameters
  ----------
  expr : tvm.relay.Expr
      The expression.
  
  Returns
  -------
  region
      The region containing the expression.
      None if not found.
docstr_tok: ["Get","the","region","an","expression","belongs","to",".","Parameters","--","--","--","--","--","expr",":","tvm.relay.Expr","The","expression",".","Returns","--","--","--","-","region","The","region","containing","the","expression",".","None","if","not","found","."]
code: def get_region(self, expr):
      """Get the region an expression belongs to.
  
      Parameters
      ----------
      expr : tvm.relay.Expr
          The expression.
  
      Returns
      -------
      region
          The region containing the expression.
          None if not found.
      """
      return _ffi_api.GetRegion(self, expr)
  
imports: from ...runtime import Object
  from .None import _ffi_api
label_desc: Use image node_id 3 for calling the AnnotatedRegionSet obj's underlying member method code with example usage: obj.get_region(expr) and returns: _ffi_api