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---
title: pauli_error (v0.29)
description: API reference for qiskit.providers.aer.noise.pauli_error in qiskit v0.29
in_page_toc_min_heading_level: 1
python_api_type: function
python_api_name: qiskit.providers.aer.noise.pauli_error
---
<span id="qiskit-providers-aer-noise-pauli-error" />
# qiskit.providers.aer.noise.pauli\_error
<Function id="qiskit.providers.aer.noise.pauli_error" isDedicatedPage={true} github="https://github.com/qiskit/qiskit-aer/tree/stable/0.8/qiskit/providers/aer/noise/errors/standard_errors.py" signature="pauli_error(noise_ops, standard_gates=True)">
Return a mixed Pauli quantum error channel.
The input should be a list of pairs `(P[j], p[j])`, where `P[j]` is a `Pauli` object or string label, and `p[j]` is a probability. All probabilities must sum to 1 for the input ops to be valid.
**Parameters**
* **noise\_ops** (*list\[pair\[*[*Pauli*](qiskit.quantum_info.Pauli "qiskit.quantum_info.Pauli")*, double]]*) Pauli error terms.
* **standard\_gates** (*bool*) if True return the operators as standard qobj Pauli gate instructions. If false return as unitary matrix qobj instructions. (Default: True)
**Returns**
The quantum error object.
**Return type**
[QuantumError](qiskit.providers.aer.noise.QuantumError "qiskit.providers.aer.noise.QuantumError")
**Raises**
**NoiseError** If depolarizing probability is less than 0 or greater than 1.
</Function>