class_docstr: Fake GRIB file returned by pygrib.open.
class_docstr_tok: ["Fake","GRIB","file","returned","by","pygrib.open","."]
docstr: Enter.
docstr_tok: ["Enter","."]
code: def __enter__(self):
      """Enter."""
      return self
  
imports: import os
  import sys
  from unittest import mock
  import numpy
  import pytest
  import xarray
  from satpy.dataset import DataQuery
label_desc: Use image node_id 5 for calling the FakeGRIB obj's underlying member method code with example usage: obj.__enter__() and returns: self