diff --git a/poetry.lock b/poetry.lock
index f0afebe..db47341 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -112,14 +112,6 @@ category = "main"
 optional = true
 python-versions = ">=3.6"
 
-[[package]]
-name = "cython"
-version = "0.29.36"
-description = "The Cython compiler for writing C extensions for the Python language."
-category = "main"
-optional = false
-python-versions = ">=2.6, !=3.0.*, !=3.1.*, !=3.2.*"
-
 [[package]]
 name = "exceptiongroup"
 version = "1.0.4"
@@ -665,7 +657,7 @@ precompiled-binary = ["pygraphviz", "networkx", "matplotlib", "pyinstaller"]
 [metadata]
 lock-version = "1.1"
 python-versions = ">=3.8,<=3.11"
-content-hash = "15bb2ad5d7c6d94377ab3be7fbe2ca538ca22562c15562294c76da11f19eaea0"
+content-hash = "f33841edf5362d8d9e524af3b7c777381f1bf5ddcfb7c1491b4e6edf458c462c"
 
 [metadata.files]
 altgraph = [
@@ -875,49 +867,6 @@ cycler = [
     {file = "cycler-0.11.0-py3-none-any.whl", hash = "sha256:3a27e95f763a428a739d2add979fa7494c912a32c17c4c38c4d5f082cad165a3"},
     {file = "cycler-0.11.0.tar.gz", hash = "sha256:9c87405839a19696e837b3b818fed3f5f69f16f1eec1a1ad77e043dcea9c772f"},
 ]
-cython = [
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-    {file = "Cython-0.29.36-cp27-cp27m-manylinux_2_5_x86_64.manylinux1_x86_64.whl", hash = "sha256:2fe34615c13ace29e77bf9d21c26188d23eff7ad8b3e248da70404e5f5436b95"},
-    {file = "Cython-0.29.36-cp27-cp27mu-manylinux_2_5_i686.manylinux1_i686.whl", hash = "sha256:ae75eac4f13cbbcb50b2097470dcea570182446a3ebd0f7e95dd425c2017a2d7"},
-    {file = "Cython-0.29.36-cp27-cp27mu-manylinux_2_5_x86_64.manylinux1_x86_64.whl", hash = "sha256:847d07fc02978c4433d01b4f5ee489b75fd42fd32ccf9cc4b5fd887e8cffe822"},
-    {file = "Cython-0.29.36-cp310-cp310-manylinux_2_17_aarch64.manylinux2014_aarch64.manylinux_2_24_aarch64.whl", hash = "sha256:7cb44aeaf6c5c25bd6a7562ece4eadf50d606fc9b5f624fa95bd0281e8bf0a97"},
-    {file = "Cython-0.29.36-cp310-cp310-manylinux_2_17_x86_64.manylinux2014_x86_64.manylinux_2_24_x86_64.whl", hash = "sha256:28fb10aabd56a2e4d399273b48e106abe5a0d271728fd5eed3d36e7171000045"},
-    {file = "Cython-0.29.36-cp310-cp310-manylinux_2_5_i686.manylinux1_i686.manylinux_2_24_i686.whl", hash = "sha256:86b7a13c6b23ab6471d40a320f573fbc8a4e39833947eebed96661145dc34771"},
-    {file = "Cython-0.29.36-cp310-cp310-musllinux_1_1_x86_64.whl", hash = "sha256:19ccf7fc527cf556e2e6a3dfeffcadfbcabd24a59a988289117795dfed8a25ad"},
-    {file = "Cython-0.29.36-cp311-cp311-manylinux_2_17_aarch64.manylinux2014_aarch64.manylinux_2_24_aarch64.whl", hash = "sha256:74bddfc7dc8958526b2018d3adc1aa6dc9cf2a24095c972e5ad06758c360b261"},
-    {file = "Cython-0.29.36-cp311-cp311-manylinux_2_17_x86_64.manylinux2014_x86_64.manylinux_2_24_x86_64.whl", hash = "sha256:6c4d7e36fe0211e394adffd296382b435ac22762d14f2fe45c506c230f91cf2d"},
-    {file = "Cython-0.29.36-cp311-cp311-manylinux_2_5_i686.manylinux1_i686.manylinux_2_24_i686.whl", hash = "sha256:0bca6a7504e8cfc63a4d3c7c9b9a04e5d05501942a6c8cee177363b61a32c2d4"},
-    {file = "Cython-0.29.36-cp311-cp311-musllinux_1_1_x86_64.whl", hash = "sha256:17c74f80b06e2fa8ffc8acd41925f4f9922da8a219cd25c6901beab2f7c56cc5"},
-    {file = "Cython-0.29.36-cp312-cp312-musllinux_1_1_x86_64.whl", hash = "sha256:25ff471a459aad82146973b0b8c177175ab896051080713d3035ad4418739f66"},
-    {file = "Cython-0.29.36-cp35-cp35m-manylinux_2_5_i686.manylinux1_i686.whl", hash = "sha256:a9738f23d00d99481797b155ad58f8fc1c72096926ea2554b8ccc46e1d356c27"},
-    {file = "Cython-0.29.36-cp35-cp35m-manylinux_2_5_x86_64.manylinux1_x86_64.whl", hash = "sha256:af2f333f08c4c279f3480532341bf70ec8010bcbc7d8a6daa5ca0bf4513af295"},
-    {file = "Cython-0.29.36-cp36-cp36m-manylinux_2_17_aarch64.manylinux2014_aarch64.manylinux_2_24_aarch64.whl", hash = "sha256:cd77cedbcc13cb67aef39b8615fd50a67fc42b0c6defea6fc0a21e19d3a062ec"},
-    {file = "Cython-0.29.36-cp36-cp36m-manylinux_2_17_x86_64.manylinux2014_x86_64.manylinux_2_24_x86_64.whl", hash = "sha256:50d506d73a46c4a522ef9fdafcbf7a827ba13907b18ff58f61a8fa0887d0bd8d"},
-    {file = "Cython-0.29.36-cp36-cp36m-manylinux_2_5_i686.manylinux1_i686.manylinux_2_24_i686.whl", hash = "sha256:6a571d7c7b52ee12d73bc65b4855779c069545da3bac26bec06a1389ad17ade5"},
-    {file = "Cython-0.29.36-cp36-cp36m-manylinux_2_5_i686.manylinux1_i686.whl", hash = "sha256:a216b2801c7d9c3babe0a10cc25da3bc92494d7047d1f732d3c47b0cceaf0941"},
-    {file = "Cython-0.29.36-cp36-cp36m-manylinux_2_5_x86_64.manylinux1_x86_64.whl", hash = "sha256:68abee3be27f21c9642a07a93f8333d491f4c52bc70068e42f51685df9ac1a57"},
-    {file = "Cython-0.29.36-cp36-cp36m-musllinux_1_1_x86_64.whl", hash = "sha256:1ef90023da8a9bf84cf16f06186db0906d2ce52a09f751e2cb9d3da9d54eae46"},
-    {file = "Cython-0.29.36-cp37-cp37m-manylinux_2_17_aarch64.manylinux2014_aarch64.manylinux_2_24_aarch64.whl", hash = "sha256:9deef0761e8c798043dbb728a1c6df97b26e5edc65b8d6c7608b3c07af3eb722"},
-    {file = "Cython-0.29.36-cp37-cp37m-manylinux_2_17_x86_64.manylinux2014_x86_64.manylinux_2_24_x86_64.whl", hash = "sha256:69af2365de2343b4e5a61c567e7611ddf2575ae6f6e5c01968f7d4f2747324eb"},
-    {file = "Cython-0.29.36-cp37-cp37m-manylinux_2_5_i686.manylinux1_i686.manylinux_2_24_i686.whl", hash = "sha256:fdf377b0f6e9325b73ad88933136023184afdc795caeeaaf3dca13494cffd15e"},
-    {file = "Cython-0.29.36-cp37-cp37m-manylinux_2_5_i686.manylinux1_i686.whl", hash = "sha256:1ff2cc5518558c598028ae8d9a43401e0e734b74b6e598156b005328c9da3472"},
-    {file = "Cython-0.29.36-cp37-cp37m-manylinux_2_5_x86_64.manylinux1_x86_64.whl", hash = "sha256:7ca921068242cd8b52544870c807fe285c1f248b12df7b6dfae25cc9957b965e"},
-    {file = "Cython-0.29.36-cp37-cp37m-musllinux_1_1_x86_64.whl", hash = "sha256:6058a6d04e04d790cda530e1ff675e9352359eb4b777920df3cac2b62a9a030f"},
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-    {file = "Cython-0.29.36-cp39-cp39-manylinux_2_17_aarch64.manylinux2014_aarch64.manylinux_2_24_aarch64.whl", hash = "sha256:bdc0a4cb99f55e6878d4b67a4bfee23823484915cb6b7e9c9dd01002dd3592ea"},
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-    {file = "Cython-0.29.36-cp39-cp39-manylinux_2_5_i686.manylinux1_i686.manylinux_2_24_i686.whl", hash = "sha256:8894db6f5b6479a3c164e0454e13083ebffeaa9a0822668bb2319bdf1b783df1"},
-    {file = "Cython-0.29.36-cp39-cp39-manylinux_2_5_i686.manylinux1_i686.whl", hash = "sha256:53f93a8c342e9445a8f0cb7039775294f2dbbe5241936573daeaf0afe30397e4"},
-    {file = "Cython-0.29.36-cp39-cp39-manylinux_2_5_x86_64.manylinux1_x86_64.whl", hash = "sha256:ee317f9bcab901a3db39c34ee5a27716f7132e5c0de150125342694d18b30f51"},
-    {file = "Cython-0.29.36-cp39-cp39-musllinux_1_1_x86_64.whl", hash = "sha256:e4b8269e5a5d127a2191b02b9df3636c0dac73f14f1ff8a831f39cb5197c4f38"},
-    {file = "Cython-0.29.36-py2.py3-none-any.whl", hash = "sha256:95bb13d8be507425d03ebe051f90d4b2a9fdccc64e4f30b35645fdb7542742eb"},
-    {file = "Cython-0.29.36.tar.gz", hash = "sha256:41c0cfd2d754e383c9eeb95effc9aa4ab847d0c9747077ddd7c0dcb68c3bc01f"},
-]
 exceptiongroup = [
     {file = "exceptiongroup-1.0.4-py3-none-any.whl", hash = "sha256:542adf9dea4055530d6e1279602fa5cb11dab2395fa650b8674eaec35fc4a828"},
     {file = "exceptiongroup-1.0.4.tar.gz", hash = "sha256:bd14967b79cd9bdb54d97323216f8fdf533e278df937aa2a90089e7d6e06e5ec"},
diff --git a/pyproject.toml b/pyproject.toml
index 339ffee..29b9df6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -27,7 +27,6 @@ pygraphviz = { version = "1.7", optional = true }
 networkx = { version = "^2.6.3", optional = true }
 matplotlib = { version = "^3.5.0", optional = true }
 pyinstaller = {version = "^5.6", optional = true}
-cython = "0.29.36"
 
 [tool.poetry.group.dev.dependencies]
 pytest = "^7.2.0"