class_docstr: The class that stores and transmits data in neural networks.
      
docstr: Creates a new blob.
          
docstr_tok: ["Creates","a","new","blob","."]
code: def __init__(self, internal):
      """Creates a new blob."""
      if not type(internal) is PythonWrapper.Blob:
          raise ValueError("The `blob` must be PythonWrapper.Blob.")
      self._internal = internal
  
imports: import neoml
  import neoml.PythonWrapper
  import neoml.MathEngine
  import numpy
label_desc: Use image node_id 1 to create a new Blob object  with example: obj = Blob(internal)