diff --git a/api/poetry.lock b/api/poetry.lock
index d3f3c78..b8a9c8f 100644
--- a/api/poetry.lock
+++ b/api/poetry.lock
@@ -40,7 +40,7 @@ optional = false
 python-versions = ">=3.6.0"
 
 [package.extras]
-unicode_backport = ["unicodedata2"]
+unicode-backport = ["unicodedata2"]
 
 [[package]]
 name = "click"
@@ -79,6 +79,19 @@ dev = ["autoflake (>=1.4.0,<2.0.0)", "flake8 (>=3.8.3,<6.0.0)", "pre-commit (>=2
 doc = ["mdx-include (>=1.4.1,<2.0.0)", "mkdocs (>=1.1.2,<2.0.0)", "mkdocs-markdownextradata-plugin (>=0.1.7,<0.3.0)", "mkdocs-material (>=8.1.4,<9.0.0)", "pyyaml (>=5.3.1,<7.0.0)", "typer (>=0.4.1,<0.7.0)"]
 test = ["anyio[trio] (>=3.2.1,<4.0.0)", "black (==22.8.0)", "databases[sqlite] (>=0.3.2,<0.7.0)", "email-validator (>=1.1.1,<2.0.0)", "flake8 (>=3.8.3,<6.0.0)", "flask (>=1.1.2,<3.0.0)", "httpx (>=0.23.0,<0.24.0)", "isort (>=5.0.6,<6.0.0)", "mypy (==0.971)", "orjson (>=3.2.1,<4.0.0)", "passlib[bcrypt] (>=1.7.2,<2.0.0)", "peewee (>=3.13.3,<4.0.0)", "pytest (>=7.1.3,<8.0.0)", "pytest-cov (>=2.12.0,<4.0.0)", "python-jose[cryptography] (>=3.3.0,<4.0.0)", "python-multipart (>=0.0.5,<0.0.6)", "pyyaml (>=5.3.1,<7.0.0)", "requests (>=2.24.0,<3.0.0)", "sqlalchemy (>=1.3.18,<1.5.0)", "types-orjson (==3.6.2)", "types-ujson (==5.4.0)", "ujson (>=4.0.1,!=4.0.2,!=4.1.0,!=4.2.0,!=4.3.0,!=5.0.0,!=5.1.0,<6.0.0)"]
 
+[[package]]
+name = "flake8"
+version = "6.0.0"
+description = "the modular source code checker: pep8 pyflakes and co"
+category = "dev"
+optional = false
+python-versions = ">=3.8.1"
+
+[package.dependencies]
+mccabe = ">=0.7.0,<0.8.0"
+pycodestyle = ">=2.10.0,<2.11.0"
+pyflakes = ">=3.0.0,<3.1.0"
+
 [[package]]
 name = "h11"
 version = "0.14.0"
@@ -120,6 +133,14 @@ html5 = ["html5lib"]
 htmlsoup = ["BeautifulSoup4"]
 source = ["Cython (>=0.29.7)"]
 
+[[package]]
+name = "mccabe"
+version = "0.7.0"
+description = "McCabe checker, plugin for flake8"
+category = "dev"
+optional = false
+python-versions = ">=3.6"
+
 [[package]]
 name = "numpy"
 version = "1.23.3"
@@ -140,6 +161,14 @@ python-versions = ">=3.7"
 docs = ["furo", "olefile", "sphinx (>=2.4)", "sphinx-copybutton", "sphinx-issues (>=3.0.1)", "sphinx-removed-in", "sphinxext-opengraph"]
 tests = ["check-manifest", "coverage", "defusedxml", "markdown2", "olefile", "packaging", "pyroma", "pytest", "pytest-cov", "pytest-timeout"]
 
+[[package]]
+name = "pycodestyle"
+version = "2.10.0"
+description = "Python style guide checker"
+category = "dev"
+optional = false
+python-versions = ">=3.6"
+
 [[package]]
 name = "pydantic"
 version = "1.10.2"
@@ -155,6 +184,14 @@ typing-extensions = ">=4.1.0"
 dotenv = ["python-dotenv (>=0.10.4)"]
 email = ["email-validator (>=1.0.3)"]
 
+[[package]]
+name = "pyflakes"
+version = "3.0.1"
+description = "passive checker of Python programs"
+category = "dev"
+optional = false
+python-versions = ">=3.6"
+
 [[package]]
 name = "python-dateutil"
 version = "2.8.2"
@@ -201,7 +238,7 @@ urllib3 = ">=1.21.1,<1.27"
 
 [package.extras]
 socks = ["PySocks (>=1.5.6,!=1.5.7)"]
-use_chardet_on_py3 = ["chardet (>=3.0.2,<6)"]
+use-chardet-on-py3 = ["chardet (>=3.0.2,<6)"]
 
 [[package]]
 name = "six"
@@ -332,7 +369,7 @@ python-versions = ">=3.7"
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.10"
-content-hash = "b79fd848be37a72a7fb711d7e34b33dc22dc6cdea6cb2cfe1943359767728782"
+content-hash = "b2a80d2183cfcf2d014d225ecee915c1b9f0d12b9c25c56250738f39bcdaa6dd"
 
 [metadata.files]
 anyio = [
@@ -362,6 +399,10 @@ fastapi = [
     {file = "fastapi-0.85.0-py3-none-any.whl", hash = "sha256:1803d962f169dc9f8dde54a64b22eb16f6d81573f54401971f90f0a67234a8b4"},
     {file = "fastapi-0.85.0.tar.gz", hash = "sha256:bb219cfafd0d2ccf8f32310c9a257a06b0210bd8e2a03706a6f5a9f9f1416878"},
 ]
+flake8 = [
+    {file = "flake8-6.0.0-py2.py3-none-any.whl", hash = "sha256:3833794e27ff64ea4e9cf5d410082a8b97ff1a06c16aa3d2027339cd0f1195c7"},
+    {file = "flake8-6.0.0.tar.gz", hash = "sha256:c61007e76655af75e6785a931f452915b371dc48f56efd765247c8fe68f2b181"},
+]
 h11 = [
     {file = "h11-0.14.0-py3-none-any.whl", hash = "sha256:e3fe4ac4b851c468cc8363d500db52c2ead036020723024a109d37346efaa761"},
     {file = "h11-0.14.0.tar.gz", hash = "sha256:8f19fbbe99e72420ff35c00b27a34cb9937e902a8b810e2c88300c6f0a3b699d"},
@@ -485,6 +526,10 @@ lxml = [
     {file = "lxml-4.9.1-pp39-pypy39_pp73-manylinux_2_17_x86_64.manylinux2014_x86_64.manylinux_2_24_x86_64.whl", hash = "sha256:287605bede6bd36e930577c5925fcea17cb30453d96a7b4c63c14a257118dbb9"},
     {file = "lxml-4.9.1.tar.gz", hash = "sha256:fe749b052bb7233fe5d072fcb549221a8cb1a16725c47c37e42b0b9cb3ff2c3f"},
 ]
+mccabe = [
+    {file = "mccabe-0.7.0-py2.py3-none-any.whl", hash = "sha256:6c2d30ab6be0e4a46919781807b4f0d834ebdd6c6e3dca0bda5a15f863427b6e"},
+    {file = "mccabe-0.7.0.tar.gz", hash = "sha256:348e0240c33b60bbdf4e523192ef919f28cb2c3d7d5c7794f74009290f236325"},
+]
 numpy = [
     {file = "numpy-1.23.3-cp310-cp310-macosx_10_9_x86_64.whl", hash = "sha256:c9f707b5bb73bf277d812ded9896f9512a43edff72712f31667d0a8c2f8e71ee"},
     {file = "numpy-1.23.3-cp310-cp310-macosx_11_0_arm64.whl", hash = "sha256:ffcf105ecdd9396e05a8e58e81faaaf34d3f9875f137c7372450baa5d77c9a54"},
@@ -575,6 +620,10 @@ Pillow = [
     {file = "Pillow-9.2.0-pp38-pypy38_pp73-win_amd64.whl", hash = "sha256:0030fdbd926fb85844b8b92e2f9449ba89607231d3dd597a21ae72dc7fe26927"},
     {file = "Pillow-9.2.0.tar.gz", hash = "sha256:75e636fd3e0fb872693f23ccb8a5ff2cd578801251f3a4f6854c6a5d437d3c04"},
 ]
+pycodestyle = [
+    {file = "pycodestyle-2.10.0-py2.py3-none-any.whl", hash = "sha256:8a4eaf0d0495c7395bdab3589ac2db602797d76207242c17d470186815706610"},
+    {file = "pycodestyle-2.10.0.tar.gz", hash = "sha256:347187bdb476329d98f695c213d7295a846d1152ff4fe9bacb8a9590b8ee7053"},
+]
 pydantic = [
     {file = "pydantic-1.10.2-cp310-cp310-macosx_10_9_x86_64.whl", hash = "sha256:bb6ad4489af1bac6955d38ebcb95079a836af31e4c4f74aba1ca05bb9f6027bd"},
     {file = "pydantic-1.10.2-cp310-cp310-macosx_11_0_arm64.whl", hash = "sha256:a1f5a63a6dfe19d719b1b6e6106561869d2efaca6167f84f5ab9347887d78b98"},
@@ -613,6 +662,10 @@ pydantic = [
     {file = "pydantic-1.10.2-py3-none-any.whl", hash = "sha256:1b6ee725bd6e83ec78b1aa32c5b1fa67a3a65badddde3976bca5fe4568f27709"},
     {file = "pydantic-1.10.2.tar.gz", hash = "sha256:91b8e218852ef6007c2b98cd861601c6a09f1aa32bbbb74fab5b1c33d4a1e410"},
 ]
+pyflakes = [
+    {file = "pyflakes-3.0.1-py2.py3-none-any.whl", hash = "sha256:ec55bf7fe21fff7f1ad2f7da62363d749e2a470500eab1b555334b67aa1ef8cf"},
+    {file = "pyflakes-3.0.1.tar.gz", hash = "sha256:ec8b276a6b60bd80defed25add7e439881c19e64850afd9b346283d4165fd0fd"},
+]
 python-dateutil = [
     {file = "python-dateutil-2.8.2.tar.gz", hash = "sha256:0123cacc1627ae19ddf3c27a5de5bd67ee4586fbdd6440d9748f8abb483d3e86"},
     {file = "python_dateutil-2.8.2-py2.py3-none-any.whl", hash = "sha256:961d03dc3453ebbc59dbdea9e4e11c5651520a876d0f4db161e8674aae935da9"},
diff --git a/api/pyproject.toml b/api/pyproject.toml
index 01fcb7e..024cae7 100644
--- a/api/pyproject.toml
+++ b/api/pyproject.toml
@@ -20,6 +20,9 @@ tomli = "^2.0.1"
 
 [tool.poetry.dev-dependencies]
 
+[tool.poetry.group.dev.dependencies]
+flake8 = "^6.0.0"
+
 [build-system]
 build-backend = "poetry.core.masonry.api"
 requires = ["poetry-core>=1.0.0"]