code: def _compile(self, source, filename):
          
          if filename == '<template>':
              # make a better filename
              filename = 'dbt-{}'.format(
                  codecs.encode(os.urandom(12), 'hex').decode('ascii')
              )
              # encode, though I don't think this matters
              filename = jinja2._compat.encode_filename(filename)
              # put ourselves in the cache
              linecache.cache[filename] = (
                  len(source),
                  None,
                  [line + '\n' for line in source.splitlines()],
                  filename
              )
  
          return super(MacroFuzzEnvironment, self)._compile(source, filename)
docs: Override jinja's compilation to stash the rendered source inside
          the python linecache for debugging.