diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index ef372b0..12a6e1c 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -1,29 +1,45 @@
+---
+
 name: Publish
 
 on: [push]
 
 jobs:
-  build:
+  test:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v1
-    - name: publish
-      env:
-        deploy_key: ${{secrets.deploy_key}}
-        known_hosts: ${{secrets.known_hosts}}
-      run: |
-        mkdir -p ${HOME}/.ssh
-        printf "%s\n" "$known_hosts" > ${HOME}/.ssh/known_hosts
-        printf "%s\n" "$deploy_key" > ${HOME}/.ssh/id_ed25519
-        chmod 600 ${HOME}/.ssh/id_ed25519
-        eval $(ssh-agent)
-        ssh-add
-        rm ${HOME}/.ssh/id_ed25519
-        export deploy_key=""
-        python3 -m pip install --user --upgrade pip
-        python3 -m pip install --user mdtoreveal
-        export PATH="$HOME/.local/bin/:$PATH"
-        make -C python-initiation rsync
-        make -C python-avance rsync
-        make -C drf-initiation rsync
-        make -C django-initiation rsync
+      - uses: actions/checkout@v1
+      - name: test
+        run: |
+          python -m pip install pytest hypothesis django
+          make -C python-initiation test
+          make -C python-avance test
+          # TODO: The following needs a configured Django:
+          # make -C drf-initiation test
+          # make -C django-initiation test
+
+  build:
+    needs: test
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v1
+      - name: publish
+        env:
+          deploy_key: ${{secrets.deploy_key}}
+          known_hosts: ${{secrets.known_hosts}}
+        run: |
+          mkdir -p ${HOME}/.ssh
+          printf "%s\n" "$known_hosts" > ${HOME}/.ssh/known_hosts
+          printf "%s\n" "$deploy_key" > ${HOME}/.ssh/id_ed25519
+          chmod 600 ${HOME}/.ssh/id_ed25519
+          eval $(ssh-agent)
+          ssh-add
+          rm ${HOME}/.ssh/id_ed25519
+          export deploy_key=""
+          python3 -m pip install --user --upgrade pip
+          python3 -m pip install --user mdtoreveal
+          export PATH="$HOME/.local/bin/:$PATH"
+          make -C python-initiation rsync
+          make -C python-avance rsync
+          make -C drf-initiation rsync
+          make -C django-initiation rsync
diff --git a/drf-initiation/drf.md b/drf-initiation/drf.md
index c079e6a..1a7c5cd 100644
--- a/drf-initiation/drf.md
+++ b/drf-initiation/drf.md
@@ -10,6 +10,11 @@ https://mdk.fr
 
 Introduce yourself!
 
+Et juste pour doctest:
+```python
+import django.contrib.auth.models
+```
+
 # Les bonnes bases : Python
 
 `*args, **kwargs`
diff --git a/python-avance/6-coro.md b/python-avance/6-coro.md
index b3ee068..8f1e338 100644
--- a/python-avance/6-coro.md
+++ b/python-avance/6-coro.md
@@ -38,7 +38,10 @@ async def pong_handler():
 
 ## Generator-based coroutines
 
-```python
+```pytho
+import types
+
+
 @types.coroutine
 def get_then_print(url):
     ...
@@ -183,7 +186,7 @@ print(coro_manager(wont_terminate_here()))
 ## Gérer ses coroutines
 
 
-```
+```python
 def frenetic_coro_manager(coro):
     try:
         while True:
@@ -196,6 +199,9 @@ def frenetic_coro_manager(coro):
 ## Gérer ses coroutines
 
 ```python
+import random
+
+
 def frenetic_coros_manager(*coros):
     coros = list(coros)
     while coros:
@@ -211,14 +217,14 @@ def frenetic_coros_manager(*coros):
 
 ```python
 async def tum():
-    while True:
+    for _ in range(10):  # ou : while True:
         await Awaitable()
         print("Tum")
 
 async def pak():
-    while True:
+    for _ in range(10):  # ou : while True:
         await Awaitable()
         print("Pak")
 
-frenetic_coro_manager(tum(), pak())
+frenetic_coros_manager(tum(), pak())
 ```
diff --git a/python-initiation/README.md b/python-initiation/README.md
index 333e523..e579520 100644
--- a/python-initiation/README.md
+++ b/python-initiation/README.md
@@ -1,7 +1,5 @@
 # TODO
 
-On montre `or`, `and`, `not` mais a aucun moment on ne leur montre d'exemple.
-
 On montre la syntaxe d'appel de méthode bien avant de montrer la
 syntaxe d'appel de fonction, louche.
 
diff --git a/python-initiation/initiation.md b/python-initiation/initiation.md
index abe0838..4bd258e 100644
--- a/python-initiation/initiation.md
+++ b/python-initiation/initiation.md
@@ -171,6 +171,7 @@ False
 ```
 
 
+
 ## Nombres
 
 ```python
@@ -257,6 +258,7 @@ Une liste c'est de la donnée, ce qu'elle contint c'est de la donnée.
 
 
 ## *n*-uplets, *tuple*
+
 ```python
 >>> 1, 2
 (1, 2)
@@ -275,9 +277,8 @@ liste, par exemple des coordonnées : (x, y).
 ## Ensembles
 
 ```python
->>> {101, 103, 107, 109}
-{109, 107, 101, 103}
-
+>>> {101, 103, 107, 109} == {103, 101, 109, 107}
+True
 ```
 
 ::: notes
@@ -386,6 +387,10 @@ False
 False
 ```
 
+::: notes
+
+On utilisera ça plus tard, avec les structures de contrôle.
+
 
 ## Test d'appartenance