class_docstr: Stores all actual data and typing information for an entityset
  
  Attributes:
      id
      dataframe_dict
      relationships
      time_type
  
  Properties:
      metadata
class_docstr_tok: ["Stores","all","actual","data","and","typing","information","for","an","entityset","Attributes",":","id","dataframe_dict","relationships","time_type","Properties",":","metadata"]
docstr: Get dataframe instance from entityset
  
  Args:
      dataframe_name (str): Name of dataframe.
  
  Returns:
      :class:`.DataFrame` : Instance of dataframe with Woodwork typing information. None if dataframe doesn't
          exist on the entityset.
docstr_tok: ["Get","dataframe","instance","from","entityset","Args",":","dataframe_name","(","str",")",":","Name","of","dataframe",".","Returns",":",":","class",":","`",".DataFrame","`",":","Instance","of","dataframe","with","Woodwork","typing","information",".","None","if","dataframe","doesn't","exist","on","the","entityset","."]
code: def __getitem__(self, dataframe_name):
      """Get dataframe instance from entityset
  
      Args:
          dataframe_name (str): Name of dataframe.
  
      Returns:
          :class:`.DataFrame` : Instance of dataframe with Woodwork typing information. None if dataframe doesn't
              exist on the entityset.
      """
      if dataframe_name in self.dataframe_dict:
          return self.dataframe_dict[dataframe_name]
      name = self.id or "entity set"
      raise KeyError(
          "DataFrame %s does not exist in %s" % (dataframe_name, name)
      )
  
imports: import copy
  import logging
  import warnings
  from collections import defaultdict
  import numpy
  import pandas
  from woodwork import init_series
  from woodwork.logical_types import Datetime, LatLong
  from featuretools.entityset import deserialize, serialize
  from featuretools.entityset.relationship import Relationship, RelationshipPath
  from featuretools.feature_base.feature_base import _ES_REF
  from featuretools.utils.gen_utils import Library, import_or_none, is_instance
  from featuretools.utils.plot_utils import check_graphviz, get_graphviz_format, save_graph
  from featuretools.utils.wrangle import _check_timedelta
label_desc: Use image node_id 6 for calling the EntitySet obj's underlying member method code with example usage: obj.__getitem__(dataframe_name) and returns: self