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"]
code: def _check_uniform_time_index(self, dataframe, column_name=None):
      column_name = column_name or dataframe.ww.time_index
      if column_name is None:
          return
  
      time_type = self._get_time_type(dataframe, column_name)
      if self.time_type is None:
          self.time_type = time_type
      elif self.time_type != time_type:
          info = "%s time index is %s type which differs from other entityset time indexes"
          raise TypeError(info % (dataframe.ww.name, time_type))
  
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 43 for calling the EntitySet obj's underlying member method code with example usage: obj._check_uniform_time_index(dataframe, column_name) without return types