Sourced from pytest-mock's releases.

v3.15.1

2025-09-16

• #529: Fixed itertools._tee object has no attribute error -- now duplicate_iterators=True must be passed to mocker.spy to duplicate iterators.

v3.15.0

2025-09-04

• Python 3.8 (EOL) is no longer supported.
• #524: Added spy_return_iter to mocker.spy, which contains a duplicate of the return value of the spied method if it is an Iterator.

v3.14.1

• #503: Python 3.14 is now officially supported.

Sourced from pytest-mock's changelog.

3.15.1

2025-09-16

• [#529](https://github.com/pytest-dev/pytest-mock/issues/529) <https://github.com/pytest-dev/pytest-mock/issues/529>_: Fixed itertools._tee object has no attribute error -- now duplicate_iterators=True must be passed to mocker.spy to duplicate iterators.

3.15.0

2025-09-04

• Python 3.8 (EOL) is no longer supported.
• [#524](https://github.com/pytest-dev/pytest-mock/issues/524) <https://github.com/pytest-dev/pytest-mock/pull/524>_: Added spy_return_iter to mocker.spy, which contains a duplicate of the return value of the spied method if it is an Iterator.

3.14.1 (2025-05-26)

• [#503](https://github.com/pytest-dev/pytest-mock/issues/503) <https://github.com/pytest-dev/pytest-mock/pull/503>_: Python 3.14 is now officially supported.

• e1b5c62 Release 3.15.1
• 184eb19 Set spy_return_iter only when explicitly requested (#537)
• 4fa0088 [pre-commit.ci] pre-commit autoupdate (#536)
• f5aff33 Fix test failure with pytest 8+ and verbose mode (#535)
• adc4187 Bump actions/setup-python from 5 to 6 in the github-actions group (#533)
• 95ad570 [pre-commit.ci] pre-commit autoupdate (#532)
• e696bf0 Fix standalone mock support (#531)
• 5b29b03 Fix gen-release-notes script
• 7d22ef4 Merge pull request #528 from pytest-dev/release-3.15.0
• 90b29f8 Update CHANGELOG for 3.15.0
• Additional commits viewable in compare view

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