diff --git a/poetry.lock b/poetry.lock
index 733a674..65ca6e8 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -360,17 +360,6 @@ python-versions = ">=3.6"
 pywin32 = {version = ">=1.0", markers = "sys_platform == \"win32\" and platform_python_implementation != \"PyPy\""}
 traitlets = "*"
 
-[[package]]
-name = "jupyterlab-pygments"
-version = "0.1.2"
-description = "Pygments theme using JupyterLab CSS variables"
-category = "main"
-optional = false
-python-versions = "*"
-
-[package.dependencies]
-pygments = ">=2.4.1,<3"
-
 [[package]]
 name = "jupyterlab-widgets"
 version = "1.0.2"
@@ -427,38 +416,19 @@ traitlets = "*"
 
 [[package]]
 name = "mistune"
-version = "0.8.4"
-description = "The fastest markdown parser in pure Python"
+version = "2.0.3"
+description = "A sane Markdown parser with useful plugins and renderers"
 category = "main"
 optional = false
 python-versions = "*"
 
-[[package]]
-name = "nbclient"
-version = "0.5.9"
-description = "A client library for executing notebooks. Formerly nbconvert's ExecutePreprocessor."
-category = "main"
-optional = false
-python-versions = ">=3.6.1"
-
-[package.dependencies]
-jupyter-client = ">=6.1.5"
-nbformat = ">=5.0"
-nest-asyncio = "*"
-traitlets = ">=4.2"
-
-[package.extras]
-dev = ["codecov", "coverage", "ipython", "ipykernel", "ipywidgets", "pytest (>=4.1)", "pytest-cov (>=2.6.1)", "check-manifest", "flake8", "mypy", "tox", "xmltodict", "pip (>=18.1)", "wheel (>=0.31.0)", "setuptools (>=38.6.0)", "twine (>=1.11.0)", "black"]
-sphinx = ["Sphinx (>=1.7)", "sphinx-book-theme", "mock", "moto", "myst-parser"]
-test = ["codecov", "coverage", "ipython", "ipykernel", "ipywidgets", "pytest (>=4.1)", "pytest-cov (>=2.6.1)", "check-manifest", "flake8", "mypy", "tox", "xmltodict", "pip (>=18.1)", "wheel (>=0.31.0)", "setuptools (>=38.6.0)", "twine (>=1.11.0)", "black"]
-
 [[package]]
 name = "nbconvert"
-version = "6.3.0"
+version = "5.5.0"
 description = "Converting Jupyter Notebooks"
 category = "main"
 optional = false
-python-versions = ">=3.7"
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
 
 [package.dependencies]
 bleach = "*"
@@ -466,21 +436,19 @@ defusedxml = "*"
 entrypoints = ">=0.2.2"
 jinja2 = ">=2.4"
 jupyter-core = "*"
-jupyterlab-pygments = "*"
-mistune = ">=0.8.1,<2"
-nbclient = ">=0.5.0,<0.6.0"
+mistune = ">=0.8.1"
 nbformat = ">=4.4"
 pandocfilters = ">=1.4.1"
-pygments = ">=2.4.1"
+pygments = "*"
 testpath = "*"
-traitlets = ">=5.0"
+traitlets = ">=4.2"
 
 [package.extras]
-all = ["pytest", "pytest-cov", "pytest-dependency", "ipykernel", "ipywidgets (>=7)", "pyppeteer (==0.2.6)", "tornado (>=4.0)", "sphinx (>=1.5.1)", "sphinx-rtd-theme", "nbsphinx (>=0.2.12)", "ipython"]
-docs = ["sphinx (>=1.5.1)", "sphinx-rtd-theme", "nbsphinx (>=0.2.12)", "ipython"]
+all = ["pytest", "pytest-cov", "ipykernel", "jupyter-client (>=4.2)", "ipywidgets (>=7)", "tornado (>=4.0)", "sphinx (>=1.5.1)", "sphinx-rtd-theme", "nbsphinx (>=0.2.12)", "sphinxcontrib-github-alt", "ipython"]
+docs = ["sphinx (>=1.5.1)", "sphinx-rtd-theme", "nbsphinx (>=0.2.12)", "sphinxcontrib-github-alt", "ipython", "jupyter-client (>=4.2)"]
+execute = ["jupyter-client (>=4.2)"]
 serve = ["tornado (>=4.0)"]
-test = ["pytest", "pytest-cov", "pytest-dependency", "ipykernel", "ipywidgets (>=7)", "pyppeteer (==0.2.6)"]
-webpdf = ["pyppeteer (==0.2.6)"]
+test = ["pytest", "pytest-cov", "ipykernel", "jupyter-client (>=4.2)", "ipywidgets (>=7)"]
 
 [[package]]
 name = "nbformat"
@@ -816,7 +784,7 @@ python-versions = ">=3.6"
 packaging = "*"
 
 [package.extras]
-test = ["pytest (>=6.0.0,<7.0)", "pytest-cov (>=2.11.0)"]
+test = ["pytest-cov (>=2.11.0)", "pytest (>=6.0.0,<7.0)"]
 
 [[package]]
 name = "scipy"
@@ -852,9 +820,9 @@ optional = false
 python-versions = "*"
 
 [package.extras]
-nativelib = ["pyobjc-framework-cocoa", "pywin32"]
-objc = ["pyobjc-framework-cocoa"]
 win32 = ["pywin32"]
+objc = ["pyobjc-framework-cocoa"]
+nativelib = ["pywin32", "pyobjc-framework-cocoa"]
 
 [[package]]
 name = "setuptools-scm"
@@ -912,7 +880,7 @@ optional = false
 python-versions = ">= 3.5"
 
 [package.extras]
-test = ["pytest", "pathlib2"]
+test = ["pathlib2", "pytest"]
 
 [[package]]
 name = "tomli"
@@ -1177,10 +1145,6 @@ jupyter-core = [
     {file = "jupyter_core-4.9.1-py3-none-any.whl", hash = "sha256:1c091f3bbefd6f2a8782f2c1db662ca8478ac240e962ae2c66f0b87c818154ea"},
     {file = "jupyter_core-4.9.1.tar.gz", hash = "sha256:dce8a7499da5a53ae3afd5a9f4b02e5df1d57250cf48f3ad79da23b4778cd6fa"},
 ]
-jupyterlab-pygments = [
-    {file = "jupyterlab_pygments-0.1.2-py2.py3-none-any.whl", hash = "sha256:abfb880fd1561987efaefcb2d2ac75145d2a5d0139b1876d5be806e32f630008"},
-    {file = "jupyterlab_pygments-0.1.2.tar.gz", hash = "sha256:cfcda0873626150932f438eccf0f8bf22bfa92345b814890ab360d666b254146"},
-]
 jupyterlab-widgets = [
     {file = "jupyterlab_widgets-1.0.2-py3-none-any.whl", hash = "sha256:f5d9efface8ec62941173ba1cffb2edd0ecddc801c11ae2931e30b50492eb8f7"},
     {file = "jupyterlab_widgets-1.0.2.tar.gz", hash = "sha256:7885092b2b96bf189c3a705cc3c412a4472ec5e8382d0b47219a66cccae73cfa"},
@@ -1344,16 +1308,12 @@ matplotlib-inline = [
     {file = "matplotlib_inline-0.1.3-py3-none-any.whl", hash = "sha256:aed605ba3b72462d64d475a21a9296f400a19c4f74a31b59103d2a99ffd5aa5c"},
 ]
 mistune = [
-    {file = "mistune-0.8.4-py2.py3-none-any.whl", hash = "sha256:88a1051873018da288eee8538d476dffe1262495144b33ecb586c4ab266bb8d4"},
-    {file = "mistune-0.8.4.tar.gz", hash = "sha256:59a3429db53c50b5c6bcc8a07f8848cb00d7dc8bdb431a4ab41920d201d4756e"},
-]
-nbclient = [
-    {file = "nbclient-0.5.9-py3-none-any.whl", hash = "sha256:8a307be4129cce5f70eb83a57c3edbe45656623c31de54e38bb6fdfbadc428b3"},
-    {file = "nbclient-0.5.9.tar.gz", hash = "sha256:99e46ddafacd0b861293bf246fed8540a184adfa3aa7d641f89031ec070701e0"},
+    {file = "mistune-2.0.3-py2.py3-none-any.whl", hash = "sha256:e3964140c0775535fba50bd616fe180920044a64bc21850253267b07bff89924"},
+    {file = "mistune-2.0.3.tar.gz", hash = "sha256:d7605b46b6156b53b7d52a465202b29a6f00f4ea4130ad5d25e9d5547d6b7e50"},
 ]
 nbconvert = [
-    {file = "nbconvert-6.3.0-py3-none-any.whl", hash = "sha256:8f23fbeabda4a500685d788ee091bf22cf34119304314304fb39f16e2fc32f37"},
-    {file = "nbconvert-6.3.0.tar.gz", hash = "sha256:5e77d6203854944520105e38f2563a813a4a3708e8563aa598928a3b5ee1081a"},
+    {file = "nbconvert-5.5.0-py2.py3-none-any.whl", hash = "sha256:4a978548d8383f6b2cfca4a3b0543afb77bc7cb5a96e8b424337ab58c12da9bc"},
+    {file = "nbconvert-5.5.0.tar.gz", hash = "sha256:138381baa41d83584459b5cfecfc38c800ccf1f37d9ddd0bd440783346a4c39c"},
 ]
 nbformat = [
     {file = "nbformat-5.1.3-py3-none-any.whl", hash = "sha256:eb8447edd7127d043361bc17f2f5a807626bc8e878c7709a1c647abda28a9171"},