docs: def combine_context_errors(self):
      """Each alignment contributes some information to the error report.  These reports for each alignment need to be gone through and combined into one report.
  
  
      :returns: Dictionary containing the error counts on context base
      :rtype: dict()
  
      """
      r = {}
      if self._target_context_errors: r = self._target_context_errors
      for k in [x.get_context_target_errors() for x in self._alignment_errors]:
        for b in k:
          if b not in r: r[b] = {}
          for c in k[b]:
            if c not in r[b]: r[b][c] = {}
            for a in k[b][c]:
              if a not in r[b][c]: 
                r[b][c][a] = {}
                r[b][c][a]['total'] = 0
                r[b][c][a]['types'] = {}
              r[b][c][a]['total'] += k[b][c][a]['total']
              for type in k[b][c][a]['types']:
                if type not in r[b][c][a]['types']: r[b][c][a]['types'][type] = 0
                r[b][c][a]['types'][type] += k[b][c][a]['types'][type]
      self._target_context_errors = r
      r = {}
      if self._query_context_errors: r = self._query_context_errors
      for k in [x.get_context_query_errors() for x in self._alignment_errors]:
        for b in k:
          if b not in r: r[b] = {}
          for c in k[b]:
            if c not in r[b]: r[b][c] = {}
            for a in k[b][c]:
              if a not in r[b][c]: 
                r[b][c][a] = {}
                r[b][c][a]['total'] = 0
                r[b][c][a]['types'] = {}
              r[b][c][a]['total'] += k[b][c][a]['total']
              for type in k[b][c][a]['types']:
                if type not in r[b][c][a]['types']: r[b][c][a]['types'][type] = 0
                r[b][c][a]['types'][type] += k[b][c][a]['types'][type]
      self._query_context_errors = r