code: def _fix_example_namespace(self):
          
          example_prefix = 'example'  # Example ns prefix
          idgen_prefix = idgen.get_id_namespace_prefix()
  
          # If the ID namespace alias doesn't match the example alias, return.
          if idgen_prefix != example_prefix:
              return
  
          # If the example namespace prefix isn't in the parsed namespace
          # prefixes, return.
          if example_prefix not in self._input_namespaces:
              return
  
          self._input_namespaces[example_prefix] = idgen.EXAMPLE_NAMESPACE.name
docs: Attempts to resolve issues where our samples use
          'http://example.com/' for our example namespace but python-stix uses
          'http://example.com' by removing the former.