class_docstr: Processor class for sequential processing of data.
  
  Parameters
  ----------
  processors : list
       Processor instances to be processed sequentially.
  
  Notes
  -----
  If the `processors` list contains lists or tuples, these get wrapped as a
  SequentialProcessor itself.
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docstr: Delete the Processor at the given processing chain position.
  
  Parameters
  ----------
  index : int
      Position inside the processing chain.
code: def __delitem__(self, index):
      """
      Delete the Processor at the given processing chain position.
  
      Parameters
      ----------
      index : int
          Position inside the processing chain.
  
      """
      del self.processors[index]
  
imports: from __future__ import absolute_import, division, print_function
  import argparse
  import itertools
  import multiprocessing
  import os
  import sys
  from collections.abc import MutableSequence
  import numpy
  from .utils import integer_types
label_desc: Use image node_id 4 for calling the SequentialProcessor obj's underlying member method code with example usage: obj.__delitem__(index) without return types