diff --git a/tests/default.nix b/tests/default.nix
index 9bbc5d6..16b01ac 100644
--- a/tests/default.nix
+++ b/tests/default.nix
@@ -36,6 +36,7 @@ builtins.removeAttrs
     extras = callTest ./extras {};
     source-filter = callTest ./source-filter {};
     canonical-module-names = callTest ./canonical-module-names {};
+    wandb = callTest ./wandb {};
 
     # Test building poetry
     inherit poetry;
diff --git a/tests/wandb/default.nix b/tests/wandb/default.nix
new file mode 100644
index 0000000..7941317
--- /dev/null
+++ b/tests/wandb/default.nix
@@ -0,0 +1,8 @@
+{ lib, poetry2nix, python3 }:
+
+poetry2nix.mkPoetryApplication {
+  python = python3;
+  pyproject = ./pyproject.toml;
+  poetrylock = ./poetry.lock;
+  src = lib.cleanSource ./.;
+}
diff --git a/tests/wandb/poetry.lock b/tests/wandb/poetry.lock
new file mode 100644
index 0000000..a93cd2c
--- /dev/null
+++ b/tests/wandb/poetry.lock
@@ -0,0 +1,415 @@
+[[package]]
+category = "main"
+description = "Python package for providing Mozilla's CA Bundle."
+name = "certifi"
+optional = false
+python-versions = "*"
+version = "2020.4.5.1"
+
+[[package]]
+category = "main"
+description = "Universal encoding detector for Python 2 and 3"
+name = "chardet"
+optional = false
+python-versions = "*"
+version = "3.0.4"
+
+[[package]]
+category = "main"
+description = "Composable command line interface toolkit"
+name = "click"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
+version = "7.1.1"
+
+[[package]]
+category = "main"
+description = "Updated configparser from Python 3.8 for Python 2.6+."
+name = "configparser"
+optional = false
+python-versions = ">=3.6"
+version = "5.0.0"
+
+[package.extras]
+docs = ["sphinx", "jaraco.packaging (>=3.2)", "rst.linker (>=1.9)"]
+testing = ["pytest (>=3.5,<3.7.3 || >3.7.3)", "pytest-checkdocs (>=1.2.3)", "pytest-flake8", "pytest-black-multipy", "pytest-cov"]
+
+[[package]]
+category = "main"
+description = "Python bindings for the docker credentials store API"
+name = "docker-pycreds"
+optional = false
+python-versions = "*"
+version = "0.4.0"
+
+[package.dependencies]
+six = ">=1.4.0"
+
+[[package]]
+category = "main"
+description = "Git Object Database"
+name = "gitdb"
+optional = false
+python-versions = ">=3.4"
+version = "4.0.4"
+
+[package.dependencies]
+smmap = ">=3.0.1,<4"
+
+[[package]]
+category = "main"
+description = "Python Git Library"
+name = "gitpython"
+optional = false
+python-versions = ">=3.4"
+version = "3.1.1"
+
+[package.dependencies]
+gitdb = ">=4.0.1,<5"
+
+[[package]]
+category = "main"
+description = "GraphQL client for Python"
+name = "gql"
+optional = false
+python-versions = "*"
+version = "0.2.0"
+
+[package.dependencies]
+graphql-core = ">=0.5.0,<2"
+promise = ">=2.0,<3"
+requests = ">=2.12,<3"
+six = ">=1.10.0"
+
+[[package]]
+category = "main"
+description = "GraphQL implementation for Python"
+name = "graphql-core"
+optional = false
+python-versions = "*"
+version = "1.1"
+
+[package.dependencies]
+promise = ">=2.0"
+six = ">=1.10.0"
+
+[package.extras]
+gevent = ["gevent (1.1rc1)"]
+test = ["pytest (3.0.2)", "pytest-django (2.9.1)", "pytest-cov (2.3.1)", "coveralls", "gevent (1.1rc1)", "six (>=1.10.0)", "pytest-benchmark (3.0.0)", "pytest-mock (1.2)"]
+
+[[package]]
+category = "main"
+description = "Internationalized Domain Names in Applications (IDNA)"
+name = "idna"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+version = "2.9"
+
+[[package]]
+category = "main"
+description = "Python Bindings for the NVIDIA Management Library"
+name = "nvidia-ml-py3"
+optional = false
+python-versions = "*"
+version = "7.352.0"
+
+[[package]]
+category = "main"
+description = "File system general utilities"
+name = "pathtools"
+optional = false
+python-versions = "*"
+version = "0.1.2"
+
+[[package]]
+category = "main"
+description = "Promises/A+ implementation for Python"
+name = "promise"
+optional = false
+python-versions = "*"
+version = "2.3"
+
+[package.dependencies]
+six = "*"
+
+[package.extras]
+test = ["pytest (>=2.7.3)", "pytest-cov", "coveralls", "futures", "pytest-benchmark", "mock"]
+
+[[package]]
+category = "main"
+description = "Cross-platform lib for process and system monitoring in Python."
+name = "psutil"
+optional = false
+python-versions = ">=2.6, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+version = "5.7.0"
+
+[package.extras]
+enum = ["enum34"]
+
+[[package]]
+category = "main"
+description = "Extensions to the standard Python datetime module"
+name = "python-dateutil"
+optional = false
+python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,>=2.7"
+version = "2.8.1"
+
+[package.dependencies]
+six = ">=1.5"
+
+[[package]]
+category = "main"
+description = "YAML parser and emitter for Python"
+name = "pyyaml"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
+version = "5.3.1"
+
+[[package]]
+category = "main"
+description = "Python HTTP for Humans."
+name = "requests"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
+version = "2.23.0"
+
+[package.dependencies]
+certifi = ">=2017.4.17"
+chardet = ">=3.0.2,<4"
+idna = ">=2.5,<3"
+urllib3 = ">=1.21.1,<1.25.0 || >1.25.0,<1.25.1 || >1.25.1,<1.26"
+
+[package.extras]
+security = ["pyOpenSSL (>=0.14)", "cryptography (>=1.3.4)"]
+socks = ["PySocks (>=1.5.6,<1.5.7 || >1.5.7)", "win-inet-pton"]
+
+[[package]]
+category = "main"
+description = "Python client for Sentry (https://getsentry.com)"
+name = "sentry-sdk"
+optional = false
+python-versions = "*"
+version = "0.14.3"
+
+[package.dependencies]
+certifi = "*"
+urllib3 = ">=1.10.0"
+
+[package.extras]
+aiohttp = ["aiohttp (>=3.5)"]
+beam = ["beam (>=2.12)"]
+bottle = ["bottle (>=0.12.13)"]
+celery = ["celery (>=3)"]
+django = ["django (>=1.8)"]
+falcon = ["falcon (>=1.4)"]
+flask = ["flask (>=0.11)", "blinker (>=1.1)"]
+pyspark = ["pyspark (>=2.4.4)"]
+rq = ["0.6"]
+sanic = ["sanic (>=0.8)"]
+sqlalchemy = ["sqlalchemy (>=1.2)"]
+tornado = ["tornado (>=5)"]
+
+[[package]]
+category = "main"
+description = "A generator library for concise, unambiguous and URL-safe UUIDs."
+name = "shortuuid"
+optional = false
+python-versions = ">=3.5"
+version = "1.0.1"
+
+[[package]]
+category = "main"
+description = "Python 2 and 3 compatibility utilities"
+name = "six"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*"
+version = "1.14.0"
+
+[[package]]
+category = "main"
+description = "A pure Python implementation of a sliding window memory map manager"
+name = "smmap"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+version = "3.0.2"
+
+[[package]]
+category = "main"
+description = "A backport of the subprocess module from Python 3 for use on 2.x."
+name = "subprocess32"
+optional = false
+python-versions = ">=2.6, !=3.0.*, !=3.1.*, !=3.2.*, <4"
+version = "3.5.4"
+
+[[package]]
+category = "main"
+description = "HTTP library with thread-safe connection pooling, file post, and more."
+name = "urllib3"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*, <4"
+version = "1.25.8"
+
+[package.extras]
+brotli = ["brotlipy (>=0.6.0)"]
+secure = ["pyOpenSSL (>=0.14)", "cryptography (>=1.3.4)", "idna (>=2.0.0)", "certifi", "ipaddress"]
+socks = ["PySocks (>=1.5.6,<1.5.7 || >1.5.7,<2.0)"]
+
+[[package]]
+category = "main"
+description = "A CLI and library for interacting with the Weights and Biases API."
+name = "wandb"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+version = "0.8.28"
+
+[package.dependencies]
+Click = ">=7.0"
+GitPython = ">=1.0.0"
+PyYAML = ">=3.10"
+configparser = ">=3.8.1"
+docker-pycreds = ">=0.4.0"
+gql = "0.2.0"
+nvidia-ml-py3 = ">=7.352.0"
+psutil = ">=5.0.0"
+python-dateutil = ">=2.6.1"
+requests = ">=2.0.0"
+sentry-sdk = ">=0.4.0"
+shortuuid = ">=0.5.0"
+six = ">=1.10.0"
+subprocess32 = ">=3.5.3"
+watchdog = ">=0.8.3"
+
+[package.extras]
+kubeflow = ["kubernetes", "minio", "google-cloud-storage", "sh"]
+
+[[package]]
+category = "main"
+description = "Filesystem events monitoring"
+name = "watchdog"
+optional = false
+python-versions = "*"
+version = "0.10.2"
+
+[package.dependencies]
+pathtools = ">=0.1.1"
+
+[package.extras]
+watchmedo = ["PyYAML (>=3.10)", "argh (>=0.24.1)"]
+
+[metadata]
+content-hash = "d1b8c778be3ead8c853dd4591c29e2fe53c9d05836f5ec2a1258fcc7b57737c1"
+python-versions = "^3.6"
+
+[metadata.files]
+certifi = [
+    {file = "certifi-2020.4.5.1-py2.py3-none-any.whl", hash = "sha256:1d987a998c75633c40847cc966fcf5904906c920a7f17ef374f5aa4282abd304"},
+    {file = "certifi-2020.4.5.1.tar.gz", hash = "sha256:51fcb31174be6e6664c5f69e3e1691a2d72a1a12e90f872cbdb1567eb47b6519"},
+]
+chardet = [
+    {file = "chardet-3.0.4-py2.py3-none-any.whl", hash = "sha256:fc323ffcaeaed0e0a02bf4d117757b98aed530d9ed4531e3e15460124c106691"},
+    {file = "chardet-3.0.4.tar.gz", hash = "sha256:84ab92ed1c4d4f16916e05906b6b75a6c0fb5db821cc65e70cbd64a3e2a5eaae"},
+]
+click = [
+    {file = "click-7.1.1-py2.py3-none-any.whl", hash = "sha256:e345d143d80bf5ee7534056164e5e112ea5e22716bbb1ce727941f4c8b471b9a"},
+    {file = "click-7.1.1.tar.gz", hash = "sha256:8a18b4ea89d8820c5d0c7da8a64b2c324b4dabb695804dbfea19b9be9d88c0cc"},
+]
+configparser = [
+    {file = "configparser-5.0.0-py3-none-any.whl", hash = "sha256:cffc044844040c7ce04e9acd1838b5f2e5fa3170182f6fda4d2ea8b0099dbadd"},
+    {file = "configparser-5.0.0.tar.gz", hash = "sha256:2ca44140ee259b5e3d8aaf47c79c36a7ab0d5e94d70bd4105c03ede7a20ea5a1"},
+]
+docker-pycreds = [
+    {file = "docker-pycreds-0.4.0.tar.gz", hash = "sha256:6ce3270bcaf404cc4c3e27e4b6c70d3521deae82fb508767870fdbf772d584d4"},
+    {file = "docker_pycreds-0.4.0-py2.py3-none-any.whl", hash = "sha256:7266112468627868005106ec19cd0d722702d2b7d5912a28e19b826c3d37af49"},
+]
+gitdb = [
+    {file = "gitdb-4.0.4-py3-none-any.whl", hash = "sha256:ba1132c0912e8c917aa8aa990bee26315064c7b7f171ceaaac0afeb1dc656c6a"},
+    {file = "gitdb-4.0.4.tar.gz", hash = "sha256:6f0ecd46f99bb4874e5678d628c3a198e2b4ef38daea2756a2bfd8df7dd5c1a5"},
+]
+gitpython = [
+    {file = "GitPython-3.1.1-py3-none-any.whl", hash = "sha256:71b8dad7409efbdae4930f2b0b646aaeccce292484ffa0bc74f1195582578b3d"},
+    {file = "GitPython-3.1.1.tar.gz", hash = "sha256:6d4f10e2aaad1864bb0f17ec06a2c2831534140e5883c350d58b4e85189dab74"},
+]
+gql = [
+    {file = "gql-0.2.0.tar.gz", hash = "sha256:ad0f0b8226428d727c8e1d1cac4e521d83ed024d814921bd55b8adb997dadf4b"},
+]
+graphql-core = [
+    {file = "graphql-core-1.1.tar.gz", hash = "sha256:63bb8593aeeadb0a53e14207b910027fe51158d017927fad87326dac806185ee"},
+]
+idna = [
+    {file = "idna-2.9-py2.py3-none-any.whl", hash = "sha256:a068a21ceac8a4d63dbfd964670474107f541babbd2250d61922f029858365fa"},
+    {file = "idna-2.9.tar.gz", hash = "sha256:7588d1c14ae4c77d74036e8c22ff447b26d0fde8f007354fd48a7814db15b7cb"},
+]
+nvidia-ml-py3 = [
+    {file = "nvidia-ml-py3-7.352.0.tar.gz", hash = "sha256:390f02919ee9d73fe63a98c73101061a6b37fa694a793abf56673320f1f51277"},
+]
+pathtools = [
+    {file = "pathtools-0.1.2.tar.gz", hash = "sha256:7c35c5421a39bb82e58018febd90e3b6e5db34c5443aaaf742b3f33d4655f1c0"},
+]
+promise = [
+    {file = "promise-2.3.tar.gz", hash = "sha256:dfd18337c523ba4b6a58801c164c1904a9d4d1b1747c7d5dbf45b693a49d93d0"},
+]
+psutil = [
+    {file = "psutil-5.7.0-cp27-none-win32.whl", hash = "sha256:298af2f14b635c3c7118fd9183843f4e73e681bb6f01e12284d4d70d48a60953"},
+    {file = "psutil-5.7.0-cp27-none-win_amd64.whl", hash = "sha256:75e22717d4dbc7ca529ec5063000b2b294fc9a367f9c9ede1f65846c7955fd38"},
+    {file = "psutil-5.7.0-cp35-cp35m-win32.whl", hash = "sha256:f344ca230dd8e8d5eee16827596f1c22ec0876127c28e800d7ae20ed44c4b310"},
+    {file = "psutil-5.7.0-cp35-cp35m-win_amd64.whl", hash = "sha256:e2d0c5b07c6fe5a87fa27b7855017edb0d52ee73b71e6ee368fae268605cc3f5"},
+    {file = "psutil-5.7.0-cp36-cp36m-win32.whl", hash = "sha256:a02f4ac50d4a23253b68233b07e7cdb567bd025b982d5cf0ee78296990c22d9e"},
+    {file = "psutil-5.7.0-cp36-cp36m-win_amd64.whl", hash = "sha256:1413f4158eb50e110777c4f15d7c759521703bd6beb58926f1d562da40180058"},
+    {file = "psutil-5.7.0-cp37-cp37m-win32.whl", hash = "sha256:d008ddc00c6906ec80040d26dc2d3e3962109e40ad07fd8a12d0284ce5e0e4f8"},
+    {file = "psutil-5.7.0-cp37-cp37m-win_amd64.whl", hash = "sha256:73f35ab66c6c7a9ce82ba44b1e9b1050be2a80cd4dcc3352cc108656b115c74f"},
+    {file = "psutil-5.7.0-cp38-cp38-win32.whl", hash = "sha256:60b86f327c198561f101a92be1995f9ae0399736b6eced8f24af41ec64fb88d4"},
+    {file = "psutil-5.7.0-cp38-cp38-win_amd64.whl", hash = "sha256:d84029b190c8a66a946e28b4d3934d2ca1528ec94764b180f7d6ea57b0e75e26"},
+    {file = "psutil-5.7.0.tar.gz", hash = "sha256:685ec16ca14d079455892f25bd124df26ff9137664af445563c1bd36629b5e0e"},
+]
+python-dateutil = [
+    {file = "python-dateutil-2.8.1.tar.gz", hash = "sha256:73ebfe9dbf22e832286dafa60473e4cd239f8592f699aa5adaf10050e6e1823c"},
+    {file = "python_dateutil-2.8.1-py2.py3-none-any.whl", hash = "sha256:75bb3f31ea686f1197762692a9ee6a7550b59fc6ca3a1f4b5d7e32fb98e2da2a"},
+]
+pyyaml = [
+    {file = "PyYAML-5.3.1-cp27-cp27m-win32.whl", hash = "sha256:74809a57b329d6cc0fdccee6318f44b9b8649961fa73144a98735b0aaf029f1f"},
+    {file = "PyYAML-5.3.1-cp27-cp27m-win_amd64.whl", hash = "sha256:240097ff019d7c70a4922b6869d8a86407758333f02203e0fc6ff79c5dcede76"},
+    {file = "PyYAML-5.3.1-cp35-cp35m-win32.whl", hash = "sha256:4f4b913ca1a7319b33cfb1369e91e50354d6f07a135f3b901aca02aa95940bd2"},
+    {file = "PyYAML-5.3.1-cp35-cp35m-win_amd64.whl", hash = "sha256:cc8955cfbfc7a115fa81d85284ee61147059a753344bc51098f3ccd69b0d7e0c"},
+    {file = "PyYAML-5.3.1-cp36-cp36m-win32.whl", hash = "sha256:7739fc0fa8205b3ee8808aea45e968bc90082c10aef6ea95e855e10abf4a37b2"},
+    {file = "PyYAML-5.3.1-cp36-cp36m-win_amd64.whl", hash = "sha256:69f00dca373f240f842b2931fb2c7e14ddbacd1397d57157a9b005a6a9942648"},
+    {file = "PyYAML-5.3.1-cp37-cp37m-win32.whl", hash = "sha256:d13155f591e6fcc1ec3b30685d50bf0711574e2c0dfffd7644babf8b5102ca1a"},
+    {file = "PyYAML-5.3.1-cp37-cp37m-win_amd64.whl", hash = "sha256:73f099454b799e05e5ab51423c7bcf361c58d3206fa7b0d555426b1f4d9a3eaf"},
+    {file = "PyYAML-5.3.1-cp38-cp38-win32.whl", hash = "sha256:06a0d7ba600ce0b2d2fe2e78453a470b5a6e000a985dd4a4e54e436cc36b0e97"},
+    {file = "PyYAML-5.3.1-cp38-cp38-win_amd64.whl", hash = "sha256:95f71d2af0ff4227885f7a6605c37fd53d3a106fcab511b8860ecca9fcf400ee"},
+    {file = "PyYAML-5.3.1.tar.gz", hash = "sha256:b8eac752c5e14d3eca0e6dd9199cd627518cb5ec06add0de9d32baeee6fe645d"},
+]
+requests = [
+    {file = "requests-2.23.0-py2.py3-none-any.whl", hash = "sha256:43999036bfa82904b6af1d99e4882b560e5e2c68e5c4b0aa03b655f3d7d73fee"},
+    {file = "requests-2.23.0.tar.gz", hash = "sha256:b3f43d496c6daba4493e7c431722aeb7dbc6288f52a6e04e7b6023b0247817e6"},
+]
+sentry-sdk = [
+    {file = "sentry-sdk-0.14.3.tar.gz", hash = "sha256:bb90a4e19c7233a580715fc986cc44be2c48fc10b31e71580a2037e1c94b6950"},
+    {file = "sentry_sdk-0.14.3-py2.py3-none-any.whl", hash = "sha256:23808d571d2461a4ce3784ec12bbee5bdb8c026c143fe79d36cef8a6d653e71f"},
+]
+shortuuid = [
+    {file = "shortuuid-1.0.1-py3-none-any.whl", hash = "sha256:492c7402ff91beb1342a5898bd61ea953985bf24a41cd9f247409aa2e03c8f77"},
+    {file = "shortuuid-1.0.1.tar.gz", hash = "sha256:3c11d2007b915c43bee3e10625f068d8a349e04f0d81f08f5fa08507427ebf1f"},
+]
+six = [
+    {file = "six-1.14.0-py2.py3-none-any.whl", hash = "sha256:8f3cd2e254d8f793e7f3d6d9df77b92252b52637291d0f0da013c76ea2724b6c"},
+    {file = "six-1.14.0.tar.gz", hash = "sha256:236bdbdce46e6e6a3d61a337c0f8b763ca1e8717c03b369e87a7ec7ce1319c0a"},
+]
+smmap = [
+    {file = "smmap-3.0.2-py2.py3-none-any.whl", hash = "sha256:52ea78b3e708d2c2b0cfe93b6fc3fbeec53db913345c26be6ed84c11ed8bebc1"},
+    {file = "smmap-3.0.2.tar.gz", hash = "sha256:b46d3fc69ba5f367df96d91f8271e8ad667a198d5a28e215a6c3d9acd133a911"},
+]
+subprocess32 = [
+    {file = "subprocess32-3.5.4-cp27-cp27m-macosx_10_6_intel.whl", hash = "sha256:88e37c1aac5388df41cc8a8456bb49ebffd321a3ad4d70358e3518176de3a56b"},
+    {file = "subprocess32-3.5.4.tar.gz", hash = "sha256:eb2937c80497978d181efa1b839ec2d9622cf9600a039a79d0e108d1f9aec79d"},
+]
+urllib3 = [
+    {file = "urllib3-1.25.8-py2.py3-none-any.whl", hash = "sha256:2f3db8b19923a873b3e5256dc9c2dedfa883e33d87c690d9c7913e1f40673cdc"},
+    {file = "urllib3-1.25.8.tar.gz", hash = "sha256:87716c2d2a7121198ebcb7ce7cccf6ce5e9ba539041cfbaeecfb641dc0bf6acc"},
+]
+wandb = [
+    {file = "wandb-0.8.28-py2.py3-none-any.whl", hash = "sha256:99c8827634c29451b9b3f2e4cd7c723a2dfe51dc9f57e5c5a1570a0a32502dee"},
+    {file = "wandb-0.8.28.tar.gz", hash = "sha256:9e13666b25dfed52ecf7c8139ab3507f5ab2abbe32d94501f2dd6a21f828a056"},
+]
+watchdog = [
+    {file = "watchdog-0.10.2.tar.gz", hash = "sha256:c560efb643faed5ef28784b2245cf8874f939569717a4a12826a173ac644456b"},
+]
diff --git a/tests/wandb/pyproject.toml b/tests/wandb/pyproject.toml
new file mode 100644
index 0000000..b111c46
--- /dev/null
+++ b/tests/wandb/pyproject.toml
@@ -0,0 +1,16 @@
+[tool.poetry]
+name = "wandb-build"
+version = "0.1.0"
+description = ""
+authors = ["Your Name <you@example.com>"]
+
+[tool.poetry.dependencies]
+python = "^3.6"
+wandb = "0.8.28"
+
+
+[tool.poetry.dev-dependencies]
+
+[build-system]
+requires = ["poetry>=0.12"]
+build-backend = "poetry.masonry.api"
diff --git a/tests/wandb/wandb_build/__init__.py b/tests/wandb/wandb_build/__init__.py
new file mode 100644
index 0000000..e69de29