class_docstr: Solver for raw tensorflow model.
class_docstr_tok: ["Solver","for","raw","tensorflow","model","."]
docstr: Evaluate the model.
docstr_tok: ["Evaluate","the","model","."]
code: def eval(self):
      """Evaluate the model."""
      mode = utils.EVAL
      graph = tf.Graph()
      with graph.as_default():
          self.eval_or_infer_once(mode)
  
imports: import re
  import math
  import numpy
  import delta.compat
  from absl import logging
  from delta.utils.solver.base_solver import Solver
  from delta import utils
  from delta.utils.register import registers
  from delta.utils.solver.utils.solver_utils import get_checkpoint_dir
  from delta.utils.solver.utils.solver_utils import get_ckpt_state
  from delta.utils.solver.utils.solver_utils import get_session_conf
  from delta.utils.solver.utils.solver_utils import to_saved_model
  from delta.utils.solver.utils.solver_utils import run_metrics
label_desc: Use image node_id 13 for calling the RawSolver obj's underlying member method code with example usage: obj.eval() without return types