def squeeze(self):
        return theano.tensor.extra_ops.squeeze(self)
REQUIRED_FIELDS should be a list.
dataset/ETHPy150Open rizar/attention-lvcsr/libs/Theano/theano/tensor/var.py/_tensor_py_operators.squeeze--crossover with--dataset/ETHPy150Open django/django/tests/auth_tests/test_checks.py/UserModelChecksTests.test_required_fields_is_list