code: def _tffunc(*argtypes):
          '''Helper that transforms TF-graph generating function into a regular one.
          See `_resize` function below.
          '''
          placeholders = list(map(tf.placeholder, argtypes))
          def wrap(f):
              out = f(*placeholders)
              def wrapper(*args, **kw):
                  return out.eval(dict(zip(placeholders, args)), session=kw.get('session'))
              return wrapper
          return wraf _tffunc(*argtypes):
          '''Helper that transforms TF-graph generating function into a regular one.
          See `_resize` function below.
          '''
          placeholders = list(map(tf.placeholder, argtypes))
          def wrap(f):
              out = f(*placeholders)
              def wrapper(*args, **kw):
                  return out.eval(dict(zip(placeholders, args)), session=kw.get('session'))
              return wrapper
          return wrap
docs: Helper that transforms TF-graph generating function into a regular one.
          See `_resize` function below.