code: def __delitem__(self, glyphName):
      del self.metrics[glyphName]
  
file_path: catboost/contrib/python/fonttools/fontTools/ttLib/tables/_h_m_t_x.py
imports: from fontTools.misc.roundTools import otRound
  from fontTools import ttLib
  from fontTools.misc.textTools import safeEval
  from .None import DefaultTable
  import sys
  import struct
  import array
  import logging
label_desc: Use image node_id 5 for calling the table__h_m_t_x obj's underlying member method code with example usage: obj.__delitem__(glyphName) without return types