code: def add_module(self, fqname):
      if fqname in self.modules:
          return self.modules[fqname]
      self.modules[fqname] = m = Module(fqname)
      return m
  
imports: import dis
  import importlib._bootstrap_external
  import importlib.machinery
  import marshal
  import os
  import io
  import sys
label_desc: Use image node_id 20 for calling the ModuleFinder obj's underlying member method code with example usage: obj.add_module(fqname) and returns: m, self