chore: add graph dependencies

poetry.lock

@@ -39,6 +39,19 @@ category = "main"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
 
+[[package]]
+name = "graphviz"
+version = "0.20"
+description = "Simple Python interface for Graphviz"
+category = "main"
+optional = false
+python-versions = ">=3.7"
+
+[package.extras]
+dev = ["tox (>=3)", "flake8", "pep8-naming", "wheel", "twine"]
+docs = ["sphinx (>=4)", "sphinx-autodoc-typehints", "sphinx-rtd-theme"]
+test = ["pytest (>=7)", "pytest-mock (>=3)", "mock (>=4)", "pytest-cov", "coverage"]
+
 [[package]]
 name = "iniconfig"
 version = "1.1.1"
@@ -146,7 +159,7 @@ test = ["shellingham (>=1.3.0,<2.0.0)", "pytest (>=4.4.0,<5.4.0)", "pytest-cov (
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.9"
-content-hash = "f9abb7a4321c120cbd771d7269efc378a123f9ac9920a9413f3b61f1d6604663"
+content-hash = "f9f303620dc1f23552238ab8cd7c4db52ef8ee897076bb941866826bc7004dfb"
 
 [metadata.files]
 atomicwrites = [
@@ -165,6 +178,10 @@ colorama = [
     {file = "colorama-0.4.4-py2.py3-none-any.whl", hash = "sha256:9f47eda37229f68eee03b24b9748937c7dc3868f906e8ba69fbcbdd3bc5dc3e2"},
     {file = "colorama-0.4.4.tar.gz", hash = "sha256:5941b2b48a20143d2267e95b1c2a7603ce057ee39fd88e7329b0c292aa16869b"},
 ]
+graphviz = [
+    {file = "graphviz-0.20-py3-none-any.whl", hash = "sha256:62c5f48bcc534a45b4588c548ff75e419c1f1f3a33d31a91796ae80a7f581e4a"},
+    {file = "graphviz-0.20.zip", hash = "sha256:76bdfb73f42e72564ffe9c7299482f9d72f8e6cb8d54bce7b48ab323755e9ba5"},
+]
 iniconfig = [
     {file = "iniconfig-1.1.1-py2.py3-none-any.whl", hash = "sha256:011e24c64b7f47f6ebd835bb12a743f2fbe9a26d4cecaa7f53bc4f35ee9da8b3"},
     {file = "iniconfig-1.1.1.tar.gz", hash = "sha256:bc3af051d7d14b2ee5ef9969666def0cd1a000e121eaea580d4a313df4b37f32"},

pyproject.toml

@@ -15,6 +15,7 @@ include = [
 python = "^3.9"
 typer = "^0.4.1"
 PyYAML = "^6.0"
+graphviz = "^0.20"
 
 [tool.poetry.dev-dependencies]
 pytest = "^7.1.2"