Tenacity

9.1.4 · active · verified Sat Mar 28

Tenacity is a general-purpose retrying library for Python, designed to simplify adding retry behavior to functions. The current version is 9.1.4, released on February 7, 2026. It follows a regular release cadence, with recent updates addressing Python 3.14 support and improvements to retry annotations. ([pypi.org](https://pypi.org/project/tenacity/?utm_source=openai))

Warnings

breaking Tenacity is a fork of the 'retrying' library and is not API compatible with it.
Fix: Update code to use Tenacity's API.
gotcha Ensure 'retry' is imported from 'tenacity' to utilize its retrying capabilities.
Fix: Use 'from tenacity import retry' in your imports.

Install

pip install tenacity Install Tenacity

Imports

retry
```
from tenacity import retry
```
Ensure 'retry' is imported from 'tenacity' to utilize its retrying capabilities.

Quickstart

A simple example demonstrating the use of Tenacity to retry a function that may raise an IOError.

import random
from tenacity import retry

@retry
def do_something_unreliable():
    if random.randint(0, 10) > 1:
        raise IOError('Broken sauce, everything is hosed!!!111one')
    else:
        return 'Awesome sauce!'

print(do_something_unreliable())

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