diff --git a/cookiecutter/mapper-template/{{cookiecutter.mapper_id}}/.github/workflows/test.yml b/cookiecutter/mapper-template/{{cookiecutter.mapper_id}}/.github/workflows/test.yml
index 929567e8c..fd66735dc 100644
--- a/cookiecutter/mapper-template/{{cookiecutter.mapper_id}}/.github/workflows/test.yml
+++ b/cookiecutter/mapper-template/{{cookiecutter.mapper_id}}/.github/workflows/test.yml
@@ -44,13 +44,7 @@ jobs:
       uses: actions/setup-python@v5
       with:
         python-version: {{ '${{ matrix.python-version }}' }}
-    - name: Install Poetry
+    - run: pipx install tox
+    - name: Run Tox
       run: |
-        pip install poetry
-    - name: Install dependencies
-      run: |
-        poetry env use {{ '${{ matrix.python-version }}' }}
-        poetry install
-    - name: Test with pytest
-      run: |
-        poetry run pytest
+        tox -e $(echo py{{ '${{ matrix.python-version }}' }} | tr -d .)
diff --git a/cookiecutter/tap-template/{{cookiecutter.tap_id}}/.github/workflows/test.yml b/cookiecutter/tap-template/{{cookiecutter.tap_id}}/.github/workflows/test.yml
index d8772f156..ed9549bca 100644
--- a/cookiecutter/tap-template/{{cookiecutter.tap_id}}/.github/workflows/test.yml
+++ b/cookiecutter/tap-template/{{cookiecutter.tap_id}}/.github/workflows/test.yml
@@ -44,13 +44,7 @@ jobs:
       uses: actions/setup-python@v5
       with:
         python-version: {{ '${{ matrix.python-version }}' }}
-    - name: Install Poetry
+    - run: pipx install tox
+    - name: Run Tox
       run: |
-        pip install poetry
-    - name: Install dependencies
-      run: |
-        poetry env use {{ '${{ matrix.python-version }}' }}
-        poetry install
-    - name: Test with pytest
-      run: |
-        poetry run pytest
+        tox -e $(echo py{{ '${{ matrix.python-version }}' }} | tr -d .)
diff --git a/cookiecutter/target-template/{{cookiecutter.target_id}}/.github/workflows/test.yml b/cookiecutter/target-template/{{cookiecutter.target_id}}/.github/workflows/test.yml
index 01362f096..9a098a000 100644
--- a/cookiecutter/target-template/{{cookiecutter.target_id}}/.github/workflows/test.yml
+++ b/cookiecutter/target-template/{{cookiecutter.target_id}}/.github/workflows/test.yml
@@ -44,13 +44,7 @@ jobs:
       uses: actions/setup-python@v5
       with:
         python-version: {{ '${{ matrix.python-version }}' }}
-    - name: Install Poetry
+    - run: pipx install tox
+    - name: Run Tox
       run: |
-        pip install poetry
-    - name: Install dependencies
-      run: |
-        poetry env use {{ '${{ matrix.python-version }}' }}
-        poetry install
-    - name: Test with pytest
-      run: |
-        poetry run pytest
+        tox -e $(echo py{{ '${{ matrix.python-version }}' }} | tr -d .)
diff --git a/samples/sample_tap_csv/client.py b/samples/sample_tap_csv/client.py
index c5a40bfe2..e0767cb19 100644
--- a/samples/sample_tap_csv/client.py
+++ b/samples/sample_tap_csv/client.py
@@ -1,3 +1,5 @@
+"""Stream class for CSV files."""
+
 from __future__ import annotations
 
 import csv
@@ -18,9 +20,11 @@ class CSVStream(FileStream):
 
     @property
     def primary_keys(self) -> t.Sequence[str]:
+        """Return the primary key fields for records in this stream."""
         return (SDC_META_FILEPATH, SDC_META_LINE_NUMBER)
 
     def get_schema(self, path: str) -> dict[str, t.Any]:
+        """Return a schema for the given file."""
         with self.filesystem.open(path, mode="r") as file:
             reader = csv.DictReader(
                 file,
@@ -38,6 +42,7 @@ def get_schema(self, path: str) -> dict[str, t.Any]:
             return schema
 
     def read_file(self, path: str) -> t.Iterable[Record]:
+        """Read the given file and emit records."""
         with self.filesystem.open(path, mode="r") as file:
             reader = csv.DictReader(
                 file,