class_docstr: Block with correlations
class_docstr_tok: ["Block","with","correlations"]
code: def _init_post(self) -> None:
      frame = self.result.result.frame
      self.df_corr = {
          corr: frame[f"corr_{corr}"]
          for corr in ["pearson", "kendall", "spearman"]
      }
  
imports: from typing import List, Tuple, Callable, Any
  import pandas
  from tslumen.plot import interactive
  from tslumen.plot.interactive.base import go
  from tslumen.report.dashboard._dash import dbc, html, Component, Plot, EmptyFigure
  from tslumen.report.dashboard.base import DashInput, DashSection, DashBlock
label_desc: Use image node_id 1 for calling the BlockTSCorrelations obj's underlying member method code with example usage: obj._init_post() without return types