You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.

cysignals
1.11.3

This version was deleted from PyPI around 2026-09-23. Installing fails with:
$ pip3 install cysignals==1.11.3 ERROR: Could not find a version that satisfies the requirement cysignals==1.11.3
View other deleted versions of cysignals

Install through StableBuild

You can install this package from StableBuild's PyPI snapshots from before the version was deleted:
pip3 install \ -i https://YOUR_API_KEY.pypimirror.stablebuild.com/2026-09-22/ \ cysignals==1.11.3
Sign up for StableBuild to get an API key (it's free and takes <60 seconds!)

Or, download files manually

And install manually via pip:
cysignals-1.11.3-cp36-cp36m-macosx_10_9_x86_64.whl (227.0KB)
cysignals-1.11.3-cp36-cp36m-manylinux_2_5_i686.manylinux1_i686.manylinux_2_17_i686.manylinux2014_i686.whl (864.2KB)
cysignals-1.11.3-cp36-cp36m-manylinux_2_17_x86_64.manylinux2014_x86_64.whl (917.5KB)
cysignals-1.11.3-cp36-cp36m-musllinux_1_1_i686.whl (882.6KB)
cysignals-1.11.3-cp36-cp36m-musllinux_1_1_x86_64.whl (929.0KB)
cysignals-1.11.3-cp37-cp37m-macosx_10_9_x86_64.whl (235.2KB)
cysignals-1.11.3-cp37-cp37m-manylinux_2_5_i686.manylinux1_i686.manylinux_2_17_i686.manylinux2014_i686.whl (926.1KB)
cysignals-1.11.3-cp37-cp37m-manylinux_2_17_x86_64.manylinux2014_x86_64.whl (982.0KB)
cysignals-1.11.3-cp37-cp37m-musllinux_1_1_i686.whl (940.8KB)
cysignals-1.11.3-cp37-cp37m-musllinux_1_1_x86_64.whl (991.3KB)
cysignals-1.11.3-cp38-cp38-macosx_10_9_x86_64.whl (237.9KB)
cysignals-1.11.3-cp38-cp38-manylinux_2_5_i686.manylinux1_i686.manylinux_2_17_i686.manylinux2014_i686.whl (1,006.1KB)
cysignals-1.11.3-cp38-cp38-manylinux_2_17_x86_64.manylinux2014_x86_64.whl (1.0MB)
cysignals-1.11.3-cp38-cp38-musllinux_1_1_i686.whl (1.0MB)
cysignals-1.11.3-cp38-cp38-musllinux_1_1_x86_64.whl (1.1MB)
cysignals-1.11.3-cp39-cp39-macosx_10_9_x86_64.whl (235.7KB)
cysignals-1.11.3-cp39-cp39-manylinux_2_5_i686.manylinux1_i686.manylinux_2_17_i686.manylinux2014_i686.whl (994.8KB)
cysignals-1.11.3-cp39-cp39-manylinux_2_17_x86_64.manylinux2014_x86_64.whl (1.0MB)
cysignals-1.11.3-cp39-cp39-musllinux_1_1_i686.whl (1,019.3KB)
cysignals-1.11.3-cp39-cp39-musllinux_1_1_x86_64.whl (1.0MB)
cysignals-1.11.3-cp310-cp310-macosx_10_9_x86_64.whl (234.3KB)
cysignals-1.11.3-cp310-cp310-manylinux_2_5_i686.manylinux1_i686.manylinux_2_17_i686.manylinux2014_i686.whl (990.1KB)
cysignals-1.11.3-cp310-cp310-manylinux_2_17_x86_64.manylinux2014_x86_64.whl (1.0MB)
cysignals-1.11.3-cp310-cp310-musllinux_1_1_i686.whl (1,014.2KB)
cysignals-1.11.3-cp310-cp310-musllinux_1_1_x86_64.whl (1.0MB)
cysignals-1.11.3-cp311-cp311-macosx_10_9_x86_64.whl (236.5KB)
cysignals-1.11.3-cp311-cp311-manylinux_2_5_i686.manylinux1_i686.manylinux_2_17_i686.manylinux2014_i686.whl (1.0MB)
cysignals-1.11.3-cp311-cp311-manylinux_2_17_x86_64.manylinux2014_x86_64.whl (1.1MB)
cysignals-1.11.3-cp311-cp311-musllinux_1_1_i686.whl (1.1MB)
cysignals-1.11.3-cp311-cp311-musllinux_1_1_x86_64.whl (1.1MB)
cysignals-1.11.3-cp312-cp312-macosx_10_9_x86_64.whl (234.2KB)
cysignals-1.11.3-cp312-cp312-manylinux_2_5_i686.manylinux1_i686.manylinux_2_17_i686.manylinux2014_i686.whl (1.1MB)
cysignals-1.11.3-cp312-cp312-manylinux_2_17_x86_64.manylinux2014_x86_64.whl (1.1MB)
cysignals-1.11.3-cp312-cp312-musllinux_1_1_i686.whl (1.1MB)
cysignals-1.11.3-cp312-cp312-musllinux_1_1_x86_64.whl (1.1MB)
cysignals-1.11.3-pp37-pypy37_pp73-macosx_10_9_x86_64.whl (193.4KB)
cysignals-1.11.3-pp37-pypy37_pp73-manylinux_2_5_i686.manylinux1_i686.manylinux_2_17_i686.manylinux2014_i686.whl (226.2KB)
cysignals-1.11.3-pp37-pypy37_pp73-manylinux_2_5_x86_64.manylinux1_x86_64.manylinux_2_17_x86_64.manylinux2014_x86_64.whl (221.7KB)
cysignals-1.11.3-pp38-pypy38_pp73-macosx_10_9_x86_64.whl (193.4KB)
cysignals-1.11.3-pp38-pypy38_pp73-manylinux_2_5_i686.manylinux1_i686.manylinux_2_17_i686.manylinux2014_i686.whl (226.1KB)
cysignals-1.11.3-pp38-pypy38_pp73-manylinux_2_5_x86_64.manylinux1_x86_64.manylinux_2_17_x86_64.manylinux2014_x86_64.whl (221.6KB)
cysignals-1.11.3-pp39-pypy39_pp73-macosx_10_9_x86_64.whl (196.8KB)
cysignals-1.11.3-pp39-pypy39_pp73-manylinux_2_5_i686.manylinux1_i686.manylinux_2_17_i686.manylinux2014_i686.whl (231.0KB)
cysignals-1.11.3-pp39-pypy39_pp73-manylinux_2_5_x86_64.manylinux1_x86_64.manylinux_2_17_x86_64.manylinux2014_x86_64.whl (225.8KB)
cysignals-1.11.3.tar.gz (62.7KB)