diff --git a/README.md b/README.md
index 583a643f3..bd86bcd33 100644
--- a/README.md
+++ b/README.md
@@ -188,7 +188,7 @@ poetry install
 Step 3: Test your change:
 ```
 cd litellm/tests # pwd: Documents/litellm/litellm/tests
-pytest .
+poetry run pytest .
 ```
 
 Step 4: Submit a PR with your changes! 🚀
diff --git a/poetry.lock b/poetry.lock
index 49a3ae3da..5706e069e 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -694,6 +694,17 @@ docs = ["furo", "jaraco.packaging (>=9.3)", "jaraco.tidelift (>=1.4)", "rst.link
 perf = ["ipython"]
 testing = ["flufl.flake8", "importlib-resources (>=1.3)", "packaging", "pyfakefs", "pytest (>=6)", "pytest-black (>=0.3.7)", "pytest-checkdocs (>=2.4)", "pytest-cov", "pytest-enabler (>=2.2)", "pytest-mypy (>=0.9.1)", "pytest-perf (>=0.9.2)", "pytest-ruff"]
 
+[[package]]
+name = "iniconfig"
+version = "2.0.0"
+description = "brain-dead simple config-ini parsing"
+optional = false
+python-versions = ">=3.7"
+files = [
+    {file = "iniconfig-2.0.0-py3-none-any.whl", hash = "sha256:b6a85871a79d2e3b22d2d1b94ac2824226a63c6b741c88f7ae975f18b6778374"},
+    {file = "iniconfig-2.0.0.tar.gz", hash = "sha256:2d91e135bf72d31a410b17c16da610a82cb55f6b0477d1a902134b24a455b8b3"},
+]
+
 [[package]]
 name = "jinja2"
 version = "3.1.2"
@@ -935,6 +946,21 @@ files = [
 docs = ["furo (>=2023.7.26)", "proselint (>=0.13)", "sphinx (>=7.1.1)", "sphinx-autodoc-typehints (>=1.24)"]
 test = ["appdirs (==1.4.4)", "covdefaults (>=2.3)", "pytest (>=7.4)", "pytest-cov (>=4.1)", "pytest-mock (>=3.11.1)"]
 
+[[package]]
+name = "pluggy"
+version = "1.3.0"
+description = "plugin and hook calling mechanisms for python"
+optional = false
+python-versions = ">=3.8"
+files = [
+    {file = "pluggy-1.3.0-py3-none-any.whl", hash = "sha256:d89c696a773f8bd377d18e5ecda92b7a3793cbe66c87060a6fb58c7b6e1061f7"},
+    {file = "pluggy-1.3.0.tar.gz", hash = "sha256:cf61ae8f126ac6f7c451172cf30e3e43d3ca77615509771b3a984a0730651e12"},
+]
+
+[package.extras]
+dev = ["pre-commit", "tox"]
+testing = ["pytest", "pytest-benchmark"]
+
 [[package]]
 name = "pycodestyle"
 version = "2.11.1"
@@ -1093,6 +1119,28 @@ files = [
     {file = "pyflakes-3.1.0.tar.gz", hash = "sha256:a0aae034c444db0071aa077972ba4768d40c830d9539fd45bf4cd3f8f6992efc"},
 ]
 
+[[package]]
+name = "pytest"
+version = "7.4.3"
+description = "pytest: simple powerful testing with Python"
+optional = false
+python-versions = ">=3.7"
+files = [
+    {file = "pytest-7.4.3-py3-none-any.whl", hash = "sha256:0d009c083ea859a71b76adf7c1d502e4bc170b80a8ef002da5806527b9591fac"},
+    {file = "pytest-7.4.3.tar.gz", hash = "sha256:d989d136982de4e3b29dabcc838ad581c64e8ed52c11fbe86ddebd9da0818cd5"},
+]
+
+[package.dependencies]
+colorama = {version = "*", markers = "sys_platform == \"win32\""}
+exceptiongroup = {version = ">=1.0.0rc8", markers = "python_version < \"3.11\""}
+iniconfig = "*"
+packaging = "*"
+pluggy = ">=0.12,<2.0"
+tomli = {version = ">=1.0.0", markers = "python_version < \"3.11\""}
+
+[package.extras]
+testing = ["argcomplete", "attrs (>=19.2.0)", "hypothesis (>=3.56)", "mock", "nose", "pygments (>=2.7.2)", "requests", "setuptools", "xmlschema"]
+
 [[package]]
 name = "python-dotenv"
 version = "1.0.0"
@@ -1706,4 +1754,4 @@ proxy-otel = []
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.8.1"
-content-hash = "55693d2f8abc1a2e3cf8820ce24818ce5cd5d33d1aa98f73aebe1d516f73e347"
+content-hash = "c592e23deb48b8394a917ca3aad48fa8cccba8a2816f2738eac6632d65e4576a"
diff --git a/pyproject.toml b/pyproject.toml
index 926e5289d..42829ab3b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -53,6 +53,7 @@ litellm = 'litellm:run_server'
 [tool.poetry.group.dev.dependencies]
 flake8 = "^6.1.0"
 black = "^23.12.0"
+pytest = "^7.4.3"
 
 [build-system]
 requires = ["poetry-core", "wheel"]