diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index ebc8323..7d11945 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -9,3 +9,32 @@ jobs:
     steps:
       - uses: actions/checkout@v1
       - uses: max/secret-scan@master
+  python:
+    name: Python tests
+    runs-on: ubuntu-latest
+    strategy:
+      max-parallel: 4
+      matrix:
+        python-version: [3.6, 3.7]
+    steps:
+      - uses: actions/checkout@v1
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v1
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install pipenv
+          pipenv sync --dev
+      - name: Lint with mypy
+        run: |
+          find ${GITHUB_WORKSPACE} -name '*.py' ! -name '*_types.py' -exec pipenv run mypy {} +
+      - name: Lint with flake8
+        run: |
+          pipenv run flake8 --exclude=tests ${GITHUB_WORKSPACE} --count --show-source --statistics
+      - name: Lint with pylint
+        run: |
+          find ${GITHUB_WORKSPACE} -name '*.py' | xargs pipenv run pylint --rcfile=.pylintrc
+      - name: Test with pytest
+        run: pipenv run pytest
diff --git a/.vscode/settings.json b/.vscode/settings.json
index 38afabc..15cd44d 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -114,6 +114,7 @@
         "moto",
         "mountpoint",
         "mssql",
+        "mypy",
         "nacl",
         "nargs",
         "networklb",
@@ -141,6 +142,7 @@
         "pyinstaller",
         "pylint",
         "pylintrc",
+        "pytest",
         "qrcode",
         "quickstart",
         "rcfile",
@@ -193,6 +195,7 @@
         "weirdnesses",
         "whichenv",
         "winrm",
+        "xargs",
         "xenial",
         "xlarge",
         "xrange",
diff --git a/Pipfile b/Pipfile
index 9cfff11..3c61a15 100644
--- a/Pipfile
+++ b/Pipfile
@@ -16,3 +16,4 @@ pylint = "~= 2.0"
 # python3 flake8-docstrings fails with pydocstyle 4:
 # https://github.com/PyCQA/pydocstyle/issues/375
 pydocstyle = '<4.0.0'
+pytest = '~= 5.1'
diff --git a/Pipfile.lock b/Pipfile.lock
index 9a94a46..70a4712 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "6e8b10aba81628ec456f846915c8dd8dcedd2253b91fcba951deef1da169fcc3"
+            "sha256": "0d59794f4361c0f7aa80f7293847705496723f45b3f16f3fc0a4033de8e9da5a"
         },
         "pipfile-spec": 6,
         "requires": {},
@@ -492,6 +492,20 @@
             ],
             "version": "==2.2.5"
         },
+        "atomicwrites": {
+            "hashes": [
+                "sha256:03472c30eb2c5d1ba9227e4c2ca66ab8287fbfbbda3888aa93dc2e28fc6811b4",
+                "sha256:75a9445bac02d8d058d5e1fe689654ba5a6556a1dfd8ce6ec55a0ed79866cfa6"
+            ],
+            "version": "==1.3.0"
+        },
+        "attrs": {
+            "hashes": [
+                "sha256:69c0dbf2ed392de1cb5ec704444b08a5ef81680a61cb899dc08127123af36a79",
+                "sha256:f0b870f674851ecbfbbbd364d6b5cbdff9dcedbc7f3f5e18a6891057f21fe399"
+            ],
+            "version": "==19.1.0"
+        },
         "entrypoints": {
             "hashes": [
                 "sha256:589f874b313739ad35be6e0cd7efde2a4e9b6fea91edcc34e58ecbb8dbe56d19",
@@ -520,6 +534,14 @@
             ],
             "version": "==1.0.2"
         },
+        "importlib-metadata": {
+            "hashes": [
+                "sha256:9ff1b1c5a354142de080b8a4e9803e5d0d59283c93aed808617c787d16768375",
+                "sha256:b7143592e374e50584564794fcb8aaf00a23025f9db866627f89a21491847a8d"
+            ],
+            "markers": "python_version < '3.8'",
+            "version": "==0.20"
+        },
         "isort": {
             "hashes": [
                 "sha256:54da7e92468955c4fceacd0c86bd0ec997b0e1ee80d97f67c35a78b719dccab1",
@@ -557,6 +579,13 @@
             ],
             "version": "==0.6.1"
         },
+        "more-itertools": {
+            "hashes": [
+                "sha256:409cd48d4db7052af495b09dec721011634af3753ae1ef92d2b32f73a745f832",
+                "sha256:92b8c4b06dac4f0611c0729b2f2ede52b2e1bac1ab48f089c7ddc12e26bb60c4"
+            ],
+            "version": "==7.2.0"
+        },
         "mypy": {
             "hashes": [
                 "sha256:0107bff4f46a289f0e4081d59b77cef1c48ea43da5a0dbf0005d54748b26df2a",
@@ -581,6 +610,13 @@
             ],
             "version": "==0.4.1"
         },
+        "packaging": {
+            "hashes": [
+                "sha256:a7ac867b97fdc07ee80a8058fe4435ccd274ecc3b0ed61d852d7d53055528cf9",
+                "sha256:c491ca87294da7cc01902edbe30a5bc6c4c28172b5138ab4e4aa1b9d7bfaeafe"
+            ],
+            "version": "==19.1"
+        },
         "pep8-naming": {
             "hashes": [
                 "sha256:01cb1dab2f3ce9045133d08449f1b6b93531dceacb9ef04f67087c11c723cea9",
@@ -588,6 +624,20 @@
             ],
             "version": "==0.8.2"
         },
+        "pluggy": {
+            "hashes": [
+                "sha256:0825a152ac059776623854c1543d65a4ad408eb3d33ee114dff91e57ec6ae6fc",
+                "sha256:b9817417e95936bf75d85d3f8767f7df6cdde751fc40aed3bb3074cbcb77757c"
+            ],
+            "version": "==0.12.0"
+        },
+        "py": {
+            "hashes": [
+                "sha256:64f65755aee5b381cea27766a3a147c3f15b9b6b9ac88676de66ba2ae36793fa",
+                "sha256:dc639b046a6e2cff5bbe40194ad65936d6ba360b52b3c3fe1d08a82dd50b5e53"
+            ],
+            "version": "==1.8.0"
+        },
         "pycodestyle": {
             "hashes": [
                 "sha256:95a2219d12372f05704562a14ec30bc76b05a5b297b21a5dfe3f6fac3491ae56",
@@ -617,6 +667,21 @@
             ],
             "version": "==2.3.1"
         },
+        "pyparsing": {
+            "hashes": [
+                "sha256:6f98a7b9397e206d78cc01df10131398f1c8b8510a2f4d97d9abd82e1aacdd80",
+                "sha256:d9338df12903bbf5d65a0e4e87c2161968b10d2e489652bb47001d82a9b028b4"
+            ],
+            "version": "==2.4.2"
+        },
+        "pytest": {
+            "hashes": [
+                "sha256:95d13143cc14174ca1a01ec68e84d76ba5d9d493ac02716fd9706c949a505210",
+                "sha256:b78fe2881323bd44fd9bd76e5317173d4316577e7b1cddebae9136a4495ec865"
+            ],
+            "index": "pypi",
+            "version": "==5.1.2"
+        },
         "six": {
             "hashes": [
                 "sha256:3350809f0555b11f552448330d0b52d5f24c91a322ea4a15ef22629740f3761c",
@@ -659,11 +724,25 @@
             ],
             "version": "==3.7.4"
         },
+        "wcwidth": {
+            "hashes": [
+                "sha256:3df37372226d6e63e1b1e1eda15c594bca98a22d33a23832a90998faa96bc65e",
+                "sha256:f4ebe71925af7b40a864553f761ed559b43544f8f71746c2d756c7fe788ade7c"
+            ],
+            "version": "==0.1.7"
+        },
         "wrapt": {
             "hashes": [
                 "sha256:565a021fd19419476b9362b05eeaa094178de64f8361e44468f9e9d7843901e1"
             ],
             "version": "==1.11.2"
+        },
+        "zipp": {
+            "hashes": [
+                "sha256:3718b1cbcd963c7d4c5511a8240812904164b7f381b647143a89d3b98f9bcd8e",
+                "sha256:f06903e9f1f43b12d371004b4ac7b06ab39a44adc747266928ae6debfa7b3335"
+            ],
+            "version": "==0.6.0"
         }
     }
 }
diff --git a/tests/test_placeholder.py b/tests/test_placeholder.py
new file mode 100644
index 0000000..feed646
--- /dev/null
+++ b/tests/test_placeholder.py
@@ -0,0 +1,5 @@
+"""A placeholder for tests."""
+
+
+def test_placeholder() -> None:
+    """Placeholder for tests."""