Add pylint to the dev dependencies

poetry.lock

@@ -48,6 +48,18 @@ dev = ["coverage[toml] (>=5.0.2)", "hypothesis", "pytest", "sphinx", "wheel", "p
 docs = ["sphinx"]
 tests = ["coverage[toml] (>=5.0.2)", "hypothesis", "pytest"]
 
+[[package]]
+name = "astroid"
+version = "2.5.6"
+description = "An abstract syntax tree for Python with inference support."
+category = "dev"
+optional = false
+python-versions = "~=3.6"
+
+[package.dependencies]
+lazy-object-proxy = ">=1.4.0"
+wrapt = ">=1.11,<1.13"
+
 [[package]]
 name = "async-generator"
 version = "1.10"
@@ -243,6 +255,19 @@ category = "main"
 optional = false
 python-versions = "*"
 
+[[package]]
+name = "isort"
+version = "5.8.0"
+description = "A Python utility / library to sort Python imports."
+category = "dev"
+optional = false
+python-versions = ">=3.6,<4.0"
+
+[package.extras]
+pipfile_deprecated_finder = ["pipreqs", "requirementslib"]
+requirements_deprecated_finder = ["pipreqs", "pip-api"]
+colors = ["colorama (>=0.4.3,<0.5.0)"]
+
 [[package]]
 name = "jedi"
 version = "0.18.0"
@@ -412,6 +437,14 @@ requests = "*"
 [package.extras]
 test = ["codecov", "ipykernel", "pytest (>=5.3.2)", "pytest-cov", "jupyter-server", "openapi-core (>=0.13.8,<0.14.0)", "pytest-console-scripts", "strict-rfc3339", "ruamel.yaml", "wheel"]
 
+[[package]]
+name = "lazy-object-proxy"
+version = "1.6.0"
+description = "A fast and thorough lazy object proxy."
+category = "dev"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*, !=3.5.*"
+
 [[package]]
 name = "markupsafe"
 version = "2.0.1"
@@ -431,6 +464,14 @@ python-versions = ">=3.5"
 [package.dependencies]
 traitlets = "*"
 
+[[package]]
+name = "mccabe"
+version = "0.6.1"
+description = "McCabe checker, plugin for flake8"
+category = "dev"
+optional = false
+python-versions = "*"
+
 [[package]]
 name = "mistune"
 version = "0.8.4"
@@ -679,6 +720,21 @@ category = "main"
 optional = false
 python-versions = ">=3.5"
 
+[[package]]
+name = "pylint"
+version = "2.8.2"
+description = "python code static checker"
+category = "dev"
+optional = false
+python-versions = "~=3.6"
+
+[package.dependencies]
+astroid = ">=2.5.6,<2.7"
+colorama = {version = "*", markers = "sys_platform == \"win32\""}
+isort = ">=4.2.5,<6"
+mccabe = ">=0.6,<0.7"
+toml = ">=0.7.1"
+
 [[package]]
 name = "pyparsing"
 version = "2.4.7"
@@ -867,10 +923,18 @@ category = "main"
 optional = false
 python-versions = ">=3.6"
 
+[[package]]
+name = "wrapt"
+version = "1.12.1"
+description = "Module for decorators, wrappers and monkey patching."
+category = "dev"
+optional = false
+python-versions = "*"
+
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.8"
-content-hash = "98171d203af2e1f621cafbcc6c8c13299c91d2b1fa635ddedced9f932870d93e"
+content-hash = "e7e943bb4d1b3b0345aa3e9dd3b5f8e7cec135fcb98f91362b205c55105ac9ed"
 
 [metadata.files]
 anyio = [
@@ -909,6 +973,10 @@ argon2-cffi = [
     {file = "argon2_cffi-20.1.0-pp37-pypy37_pp73-macosx_10_7_x86_64.whl", hash = "sha256:3aa804c0e52f208973845e8b10c70d8957c9e5a666f702793256242e9167c4e0"},
     {file = "argon2_cffi-20.1.0-pp37-pypy37_pp73-win_amd64.whl", hash = "sha256:36320372133a003374ef4275fbfce78b7ab581440dfca9f9471be3dd9a522428"},
 ]
+astroid = [
+    {file = "astroid-2.5.6-py3-none-any.whl", hash = "sha256:4db03ab5fc3340cf619dbc25e42c2cc3755154ce6009469766d7143d1fc2ee4e"},
+    {file = "astroid-2.5.6.tar.gz", hash = "sha256:8a398dfce302c13f14bab13e2b14fe385d32b73f4e4853b9bdfb64598baa1975"},
+]
 async-generator = [
     {file = "async_generator-1.10-py3-none-any.whl", hash = "sha256:01c7bf666359b4967d2cda0000cc2e4af16a0ae098cbffcb8472fb9e8ad6585b"},
     {file = "async_generator-1.10.tar.gz", hash = "sha256:6ebb3d106c12920aaae42ccb6f787ef5eefdcdd166ea3d628fa8476abe712144"},
@@ -1020,6 +1088,10 @@ ipython-genutils = [
     {file = "ipython_genutils-0.2.0-py2.py3-none-any.whl", hash = "sha256:72dd37233799e619666c9f639a9da83c34013a73e8bbc79a7a6348d93c61fab8"},
     {file = "ipython_genutils-0.2.0.tar.gz", hash = "sha256:eb2e116e75ecef9d4d228fdc66af54269afa26ab4463042e33785b887c628ba8"},
 ]
+isort = [
+    {file = "isort-5.8.0-py3-none-any.whl", hash = "sha256:2bb1680aad211e3c9944dbce1d4ba09a989f04e238296c87fe2139faa26d655d"},
+    {file = "isort-5.8.0.tar.gz", hash = "sha256:0a943902919f65c5684ac4e0154b1ad4fac6dcaa5d9f3426b732f1c8b5419be6"},
+]
 jedi = [
     {file = "jedi-0.18.0-py2.py3-none-any.whl", hash = "sha256:18456d83f65f400ab0c2d3319e48520420ef43b23a086fdc05dff34132f0fb93"},
     {file = "jedi-0.18.0.tar.gz", hash = "sha256:92550a404bad8afed881a137ec9a461fed49eca661414be45059329614ed0707"},
@@ -1060,6 +1132,30 @@ jupyterlab-server = [
     {file = "jupyterlab_server-2.5.2-py3-none-any.whl", hash = "sha256:7c7209e00910aff1ad8a7b8fd5826536561c6bafba9608ed5d1b04e1b9819efd"},
     {file = "jupyterlab_server-2.5.2.tar.gz", hash = "sha256:43bc96fa49196e3ace214693e0955eb73fe11d37ac1577d45b177a0588c0a1d6"},
 ]
+lazy-object-proxy = [
+    {file = "lazy-object-proxy-1.6.0.tar.gz", hash = "sha256:489000d368377571c6f982fba6497f2aa13c6d1facc40660963da62f5c379726"},
+    {file = "lazy_object_proxy-1.6.0-cp27-cp27m-macosx_10_14_x86_64.whl", hash = "sha256:c6938967f8528b3668622a9ed3b31d145fab161a32f5891ea7b84f6b790be05b"},
+    {file = "lazy_object_proxy-1.6.0-cp27-cp27m-win32.whl", hash = "sha256:ebfd274dcd5133e0afae738e6d9da4323c3eb021b3e13052d8cbd0e457b1256e"},
+    {file = "lazy_object_proxy-1.6.0-cp27-cp27m-win_amd64.whl", hash = "sha256:ed361bb83436f117f9917d282a456f9e5009ea12fd6de8742d1a4752c3017e93"},
+    {file = "lazy_object_proxy-1.6.0-cp27-cp27mu-manylinux1_x86_64.whl", hash = "sha256:d900d949b707778696fdf01036f58c9876a0d8bfe116e8d220cfd4b15f14e741"},
+    {file = "lazy_object_proxy-1.6.0-cp36-cp36m-manylinux1_x86_64.whl", hash = "sha256:5743a5ab42ae40caa8421b320ebf3a998f89c85cdc8376d6b2e00bd12bd1b587"},
+    {file = "lazy_object_proxy-1.6.0-cp36-cp36m-manylinux2014_aarch64.whl", hash = "sha256:bf34e368e8dd976423396555078def5cfc3039ebc6fc06d1ae2c5a65eebbcde4"},
+    {file = "lazy_object_proxy-1.6.0-cp36-cp36m-win32.whl", hash = "sha256:b579f8acbf2bdd9ea200b1d5dea36abd93cabf56cf626ab9c744a432e15c815f"},
+    {file = "lazy_object_proxy-1.6.0-cp36-cp36m-win_amd64.whl", hash = "sha256:4f60460e9f1eb632584c9685bccea152f4ac2130e299784dbaf9fae9f49891b3"},
+    {file = "lazy_object_proxy-1.6.0-cp37-cp37m-manylinux1_x86_64.whl", hash = "sha256:d7124f52f3bd259f510651450e18e0fd081ed82f3c08541dffc7b94b883aa981"},
+    {file = "lazy_object_proxy-1.6.0-cp37-cp37m-manylinux2014_aarch64.whl", hash = "sha256:22ddd618cefe54305df49e4c069fa65715be4ad0e78e8d252a33debf00f6ede2"},
+    {file = "lazy_object_proxy-1.6.0-cp37-cp37m-win32.whl", hash = "sha256:9d397bf41caad3f489e10774667310d73cb9c4258e9aed94b9ec734b34b495fd"},
+    {file = "lazy_object_proxy-1.6.0-cp37-cp37m-win_amd64.whl", hash = "sha256:24a5045889cc2729033b3e604d496c2b6f588c754f7a62027ad4437a7ecc4837"},
+    {file = "lazy_object_proxy-1.6.0-cp38-cp38-manylinux1_x86_64.whl", hash = "sha256:17e0967ba374fc24141738c69736da90e94419338fd4c7c7bef01ee26b339653"},
+    {file = "lazy_object_proxy-1.6.0-cp38-cp38-manylinux2014_aarch64.whl", hash = "sha256:410283732af311b51b837894fa2f24f2c0039aa7f220135192b38fcc42bd43d3"},
+    {file = "lazy_object_proxy-1.6.0-cp38-cp38-win32.whl", hash = "sha256:85fb7608121fd5621cc4377a8961d0b32ccf84a7285b4f1d21988b2eae2868e8"},
+    {file = "lazy_object_proxy-1.6.0-cp38-cp38-win_amd64.whl", hash = "sha256:d1c2676e3d840852a2de7c7d5d76407c772927addff8d742b9808fe0afccebdf"},
+    {file = "lazy_object_proxy-1.6.0-cp39-cp39-macosx_10_14_x86_64.whl", hash = "sha256:b865b01a2e7f96db0c5d12cfea590f98d8c5ba64ad222300d93ce6ff9138bcad"},
+    {file = "lazy_object_proxy-1.6.0-cp39-cp39-manylinux1_x86_64.whl", hash = "sha256:4732c765372bd78a2d6b2150a6e99d00a78ec963375f236979c0626b97ed8e43"},
+    {file = "lazy_object_proxy-1.6.0-cp39-cp39-manylinux2014_aarch64.whl", hash = "sha256:9698110e36e2df951c7c36b6729e96429c9c32b3331989ef19976592c5f3c77a"},
+    {file = "lazy_object_proxy-1.6.0-cp39-cp39-win32.whl", hash = "sha256:1fee665d2638491f4d6e55bd483e15ef21f6c8c2095f235fef72601021e64f61"},
+    {file = "lazy_object_proxy-1.6.0-cp39-cp39-win_amd64.whl", hash = "sha256:f5144c75445ae3ca2057faac03fda5a902eff196702b0a24daf1d6ce0650514b"},
+]
 markupsafe = [
     {file = "MarkupSafe-2.0.1-cp36-cp36m-macosx_10_9_x86_64.whl", hash = "sha256:f9081981fe268bd86831e5c75f7de206ef275defcb82bc70740ae6dc507aee51"},
     {file = "MarkupSafe-2.0.1-cp36-cp36m-manylinux1_i686.whl", hash = "sha256:0955295dd5eec6cb6cc2fe1698f4c6d84af2e92de33fbcac4111913cd100a6ff"},
@@ -1100,6 +1196,10 @@ matplotlib-inline = [
     {file = "matplotlib-inline-0.1.2.tar.gz", hash = "sha256:f41d5ff73c9f5385775d5c0bc13b424535c8402fe70ea8210f93e11f3683993e"},
     {file = "matplotlib_inline-0.1.2-py3-none-any.whl", hash = "sha256:5cf1176f554abb4fa98cb362aa2b55c500147e4bdbb07e3fda359143e1da0811"},
 ]
+mccabe = [
+    {file = "mccabe-0.6.1-py2.py3-none-any.whl", hash = "sha256:ab8a6258860da4b6677da4bd2fe5dc2c659cff31b3ee4f7f5d64e79735b80d42"},
+    {file = "mccabe-0.6.1.tar.gz", hash = "sha256:dd8d182285a0fe56bace7f45b5e7d1a6ebcbf524e8f3bd87eb0f125271b8831f"},
+]
 mistune = [
     {file = "mistune-0.8.4-py2.py3-none-any.whl", hash = "sha256:88a1051873018da288eee8538d476dffe1262495144b33ecb586c4ab266bb8d4"},
     {file = "mistune-0.8.4.tar.gz", hash = "sha256:59a3429db53c50b5c6bcc8a07f8848cb00d7dc8bdb431a4ab41920d201d4756e"},
@@ -1179,6 +1279,10 @@ pygments = [
     {file = "Pygments-2.9.0-py3-none-any.whl", hash = "sha256:d66e804411278594d764fc69ec36ec13d9ae9147193a1740cd34d272ca383b8e"},
     {file = "Pygments-2.9.0.tar.gz", hash = "sha256:a18f47b506a429f6f4b9df81bb02beab9ca21d0a5fee38ed15aef65f0545519f"},
 ]
+pylint = [
+    {file = "pylint-2.8.2-py3-none-any.whl", hash = "sha256:f7e2072654a6b6afdf5e2fb38147d3e2d2d43c89f648637baab63e026481279b"},
+    {file = "pylint-2.8.2.tar.gz", hash = "sha256:586d8fa9b1891f4b725f587ef267abe2a1bad89d6b184520c7f07a253dd6e217"},
+]
 pyparsing = [
     {file = "pyparsing-2.4.7-py2.py3-none-any.whl", hash = "sha256:ef9d7589ef3c200abe66653d3f1ab1033c3c419ae9b9bdb1240a85b024efc88b"},
     {file = "pyparsing-2.4.7.tar.gz", hash = "sha256:c203ec8783bf771a155b207279b9bccb8dea02d8f0c9e5f8ead507bc3246ecc1"},
@@ -1377,3 +1481,6 @@ websocket-client = [
     {file = "websocket-client-1.0.1.tar.gz", hash = "sha256:3e2bf58191d4619b161389a95bdce84ce9e0b24eb8107e7e590db682c2d0ca81"},
     {file = "websocket_client-1.0.1-py2.py3-none-any.whl", hash = "sha256:abf306dc6351dcef07f4d40453037e51cc5d9da2ef60d0fc5d0fe3bcda255372"},
 ]
+wrapt = [
+    {file = "wrapt-1.12.1.tar.gz", hash = "sha256:b62ffa81fb85f4332a4f609cab4ac40709470da05643a082ec1eb88e6d9b97d7"},
+]

pyproject.toml

@@ -30,3 +30,4 @@ jupyterlab = "^3.0.16"
 
 [tool.poetry.dev-dependencies]
 black = "^21.5b1"
+pylint = "^2.8.2"