From b735d6090f21fadcd65f03a0062c0e538d49552f Mon Sep 17 00:00:00 2001
From: Richard Dawe <rich.dawe@customer.io>
Date: Wed, 17 Jun 2026 11:07:46 +0100
Subject: [PATCH 01/11] mise venv for local development

---
 .gitignore |  1 +
 .mise.toml | 13 +++++++++++++
 2 files changed, 14 insertions(+)
 create mode 100644 .mise.toml

diff --git a/.gitignore b/.gitignore
index 0211f3ae..ccadd9ee 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,3 +11,4 @@ build
 .idea/
 .python-version
 venv
+.venv
diff --git a/.mise.toml b/.mise.toml
new file mode 100644
index 00000000..bb4904ac
--- /dev/null
+++ b/.mise.toml
@@ -0,0 +1,13 @@
+[env]
+MISE_FETCH_REMOTE_VERSIONS_TIMEOUT = "30s"
+
+_.python.venv = {
+  path = ".venv",
+  create = true,
+}
+
+[tools]
+python = "3.9"
+
+[tasks.test]
+run = 'make install test'

From aa04d43928b0c83015698c0aeb1754abb0749dc0 Mon Sep 17 00:00:00 2001
From: Richard Dawe <rich.dawe@customer.io>
Date: Wed, 17 Jun 2026 11:08:10 +0100
Subject: [PATCH 02/11] Test with more recent Python 3.x versions

---
 .github/workflows/test.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index da2daf6d..8b5ea537 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -8,7 +8,7 @@ jobs:
 
     strategy:
       matrix:
-        python-version: [3.7, 3.8, 3.9]
+        python-version: [3.7, 3.8, 3.9, 3.10, 3.11, 3.12, 3.13, 3.14]
 
     steps:
       - uses: actions/checkout@v2

From 7edc1598e697dd5915aefe2e010ffadbd53a11a7 Mon Sep 17 00:00:00 2001
From: Richard Dawe <rich.dawe@customer.io>
Date: Wed, 17 Jun 2026 11:30:29 +0100
Subject: [PATCH 03/11] Sync setup and test matrix Python versions

---
 .github/workflows/test.yml | 2 +-
 setup.py                   | 5 +++++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 8b5ea537..4fb84ccc 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -8,7 +8,7 @@ jobs:
 
     strategy:
       matrix:
-        python-version: [3.7, 3.8, 3.9, 3.10, 3.11, 3.12, 3.13, 3.14]
+        python-version: [3.6, 3.7, 3.8, 3.9, 3.10, 3.11, 3.12, 3.13, 3.14]
 
     steps:
       - uses: actions/checkout@v2
diff --git a/setup.py b/setup.py
index 143a9ab5..7f7048b7 100644
--- a/setup.py
+++ b/setup.py
@@ -56,5 +56,10 @@
         "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
+        "Programming Language :: Python :: 3.10",
+        "Programming Language :: Python :: 3.11",
+        "Programming Language :: Python :: 3.12",
+        "Programming Language :: Python :: 3.13",
+        "Programming Language :: Python :: 3.14",
     ],
 )

From 01bff49f1a2a99d0a3e99c66b6c8dafdbc565de9 Mon Sep 17 00:00:00 2001
From: Richard Dawe <rich.dawe@customer.io>
Date: Wed, 17 Jun 2026 13:36:44 +0100
Subject: [PATCH 04/11] Update GHA; quote Python versions in test matrix

---
 .github/workflows/release.yml | 4 ++--
 .github/workflows/test.yml    | 6 +++---
 requirements.txt              | 6 ++++++
 3 files changed, 11 insertions(+), 5 deletions(-)
 create mode 100644 requirements.txt

diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 871263d5..1f28c5c0 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -18,9 +18,9 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v6
 
-      - uses: actions/setup-python@v4
+      - uses: actions/setup-python@v6
         with:
           python-version: '3.x'
           cache: 'pip'
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 4fb84ccc..a3245a29 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -8,12 +8,12 @@ jobs:
 
     strategy:
       matrix:
-        python-version: [3.6, 3.7, 3.8, 3.9, 3.10, 3.11, 3.12, 3.13, 3.14]
+        python-version: [ "3.6", "3.7", "3.8", "3.9", "3.10", "3.11", "3.12", "3.13", "3.14" ]
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v6
 
-      - uses: actions/setup-python@v4
+      - uses: actions/setup-python@v6
         with:
           python-version: ${{ matrix.python-version }}
           cache: 'pip'
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 00000000..c9aa3cc8
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,6 @@
+backoff==2.2.1
+monotonic==1.6
+mock==2.0.0
+pylint==3.3.3
+python-dateutil==2.8.2
+requests>=2.32.2
\ No newline at end of file

From e866debadea78f1d3b2be943d2dc0335c7379abd Mon Sep 17 00:00:00 2001
From: Richard Dawe <rich.dawe@customer.io>
Date: Wed, 17 Jun 2026 13:42:10 +0100
Subject: [PATCH 05/11] Python 3.6 is not supported by newer setup-python
 action

---
 .github/workflows/test.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index a3245a29..2081dc18 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -8,7 +8,7 @@ jobs:
 
     strategy:
       matrix:
-        python-version: [ "3.6", "3.7", "3.8", "3.9", "3.10", "3.11", "3.12", "3.13", "3.14" ]
+        python-version: [ "3.7", "3.8", "3.9", "3.10", "3.11", "3.12", "3.13", "3.14" ]
 
     steps:
       - uses: actions/checkout@v6

From e068f47b9500bb9f6d28a4ee60184d1b0d244faa Mon Sep 17 00:00:00 2001
From: Richard Dawe <rich.dawe@customer.io>
Date: Wed, 17 Jun 2026 13:46:18 +0100
Subject: [PATCH 06/11] Downgrade setup-python, re-enable Python 3.6, and run
 whole test matrix on failure

---
 .github/workflows/test.yml | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 2081dc18..de3b1bff 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -7,13 +7,14 @@ jobs:
     runs-on: ubuntu-latest
 
     strategy:
+      fail-fast: false
       matrix:
-        python-version: [ "3.7", "3.8", "3.9", "3.10", "3.11", "3.12", "3.13", "3.14" ]
+        python-version: [ "3.6", "3.7", "3.8", "3.9", "3.10", "3.11", "3.12", "3.13", "3.14" ]
 
     steps:
       - uses: actions/checkout@v6
 
-      - uses: actions/setup-python@v6
+      - uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
           cache: 'pip'

From 880bd73164e8276c705e071ae999cd53b8723009 Mon Sep 17 00:00:00 2001
From: Richard Dawe <rich.dawe@customer.io>
Date: Wed, 17 Jun 2026 13:54:08 +0100
Subject: [PATCH 07/11] Split linting out from tests

---
 .github/workflows/lint.yml | 19 +++++++++++++++++++
 .mise.toml                 |  3 +++
 Makefile                   |  6 ++++--
 3 files changed, 26 insertions(+), 2 deletions(-)
 create mode 100644 .github/workflows/lint.yml

diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
new file mode 100644
index 00000000..565e7cb2
--- /dev/null
+++ b/.github/workflows/lint.yml
@@ -0,0 +1,19 @@
+name: Test
+
+on: [push]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v6
+
+      - uses: actions/setup-python@v5
+        with:
+          python-version: "3.10"
+          cache: 'pip'
+          cache-dependency-path: setup.py
+
+      - run: pip3 install -e '.[test]'
+      - run: make lint
diff --git a/.mise.toml b/.mise.toml
index bb4904ac..4522c872 100644
--- a/.mise.toml
+++ b/.mise.toml
@@ -11,3 +11,6 @@ python = "3.9"
 
 [tasks.test]
 run = 'make install test'
+
+[tasks.lint]
+run = 'make install lint'
diff --git a/Makefile b/Makefile
index 8ea2abef..885bed58 100644
--- a/Makefile
+++ b/Makefile
@@ -2,8 +2,10 @@ install:
 	pip install --edit .[test]
 
 test:
+	python -m unittest customerio/analytics/test/*.py -v
+
+lint:
 	pylint --rcfile=.pylintrc --reports=y --exit-zero customerio/analytics
 	flake8 --max-complexity=10 --statistics customerio/analytics || true
-	python -m unittest customerio/analytics/test/*.py -v
 
-.PHONY: install test
+.PHONY: install test lint

From d7873feab11f426bfa2d86c192f2aa0c546fd487 Mon Sep 17 00:00:00 2001
From: Richard Dawe <rich.dawe@customer.io>
Date: Wed, 17 Jun 2026 13:59:49 +0100
Subject: [PATCH 08/11] Remove Python 3.6, 3.7 from test matrix

---
 .github/workflows/test.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index de3b1bff..adb4a249 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -9,12 +9,12 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [ "3.6", "3.7", "3.8", "3.9", "3.10", "3.11", "3.12", "3.13", "3.14" ]
+        python-version: [ "3.8", "3.9", "3.10", "3.11", "3.12", "3.13", "3.14" ]
 
     steps:
       - uses: actions/checkout@v6
 
-      - uses: actions/setup-python@v5
+      - uses: actions/setup-python@v6
         with:
           python-version: ${{ matrix.python-version }}
           cache: 'pip'

From c747ab137e6029bdf5aa61453795fc389bd49fbf Mon Sep 17 00:00:00 2001
From: Richard Dawe <rich.dawe@customer.io>
Date: Wed, 17 Jun 2026 14:00:32 +0100
Subject: [PATCH 09/11] Bump setup-python in lint too

---
 .github/workflows/lint.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 565e7cb2..e06f1cba 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -9,7 +9,7 @@ jobs:
     steps:
       - uses: actions/checkout@v6
 
-      - uses: actions/setup-python@v5
+      - uses: actions/setup-python@v6
         with:
           python-version: "3.10"
           cache: 'pip'

From c65edf8c49aa17ceddb56b4deeb950f127865874 Mon Sep 17 00:00:00 2001
From: Richard Dawe <rich.dawe@customer.io>
Date: Wed, 17 Jun 2026 14:02:08 +0100
Subject: [PATCH 10/11] Typo

---
 .github/workflows/lint.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index e06f1cba..ab54ed3c 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -1,4 +1,4 @@
-name: Test
+name: Lint
 
 on: [push]
 

From 5a8da0c53c29c80d1f4c41d445bcffb1c46123b6 Mon Sep 17 00:00:00 2001
From: Richard Dawe <rich.dawe@customer.io>
Date: Wed, 17 Jun 2026 14:03:01 +0100
Subject: [PATCH 11/11] Another typo

---
 .github/workflows/lint.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index ab54ed3c..be41a45e 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -3,7 +3,7 @@ name: Lint
 on: [push]
 
 jobs:
-  test:
+  lint:
     runs-on: ubuntu-latest
 
     steps: