tensorflow/models · error · ValueError

SpineNet {} is not a valid architecture.

Error message

SpineNet {} is not a valid architecture.

What it means

Error "SpineNet {} is not a valid architecture." thrown in tensorflow/models.

Source

Thrown at official/legacy/detection/modeling/architecture/spinenet.py:468

class SpineNetBuilder(object):
  """SpineNet builder."""

  def __init__(self,
               model_id,
               input_specs=tf_keras.layers.InputSpec(shape=[None, 640, 640, 3]),
               min_level=3,
               max_level=7,
               block_specs=None,
               kernel_initializer='VarianceScaling',
               kernel_regularizer=None,
               bias_regularizer=None,
               activation='relu',
               use_sync_bn=False,
               norm_momentum=0.99,
               norm_epsilon=0.001):
    if model_id not in SCALING_MAP:
      raise ValueError(
          'SpineNet {} is not a valid architecture.'.format(model_id))
    scaling_params = SCALING_MAP[model_id]
    self._input_specs = input_specs
    self._min_level = min_level
    self._max_level = max_level
    self._block_specs = block_specs or build_block_specs()
    self._endpoints_num_filters = scaling_params['endpoints_num_filters']
    self._resample_alpha = scaling_params['resample_alpha']
    self._block_repeats = scaling_params['block_repeats']
    self._filter_size_scale = scaling_params['filter_size_scale']
    self._kernel_initializer = kernel_initializer
    self._kernel_regularizer = kernel_regularizer
    self._bias_regularizer = bias_regularizer
    self._activation = activation
    self._use_sync_bn = use_sync_bn
    self._norm_momentum = norm_momentum
    self._norm_epsilon = norm_epsilon

View on GitHub (pinned to e006f5f0d5)

When it happens

Trigger: Thrown at official/legacy/detection/modeling/architecture/spinenet.py:468 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of tensorflow/models@e006f5f0d5 (2026-08-24). Data as JSON: /api/errors/bd2e3340f2cdce51. Report an issue: GitHub.