class_docstr: A pure Python implementation of InputStream.
class_docstr_tok: ["A","pure","Python","implementation","of","InputStream","."]
code: def read_byte(self):
      self.pos += 1
      return self.data[self.pos - 1]
  
imports: import struct
label_desc: Use image node_id 3 for calling the InputStream obj's underlying member method code with example usage: obj.read_byte() and returns: self