parameters: (self, fullname)
return_statement: return None
docstring: Return None as extension modules have no source code.
docstring_summary: Return None as extension modules have no source code.
docstring_tokens: Return None as extension modules have no source code .
function: def get_source(self, fullname):
          """Return None as extension modules have no source code."""
          return None
function_tokens: def get_source ( self , fullname ) : return None