diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
new file mode 100644
index 0000000..8ccb5ba
--- /dev/null
+++ b/.gitlab-ci.yml
@@ -0,0 +1,6 @@
+python37:
+  image: python:3.7
+  before_script:
+    - make -e install-dev
+  script:
+    - make -e ci-test
diff --git a/vdirsyncer/http.py b/vdirsyncer/http.py
index 42da400..979d7fc 100644
--- a/vdirsyncer/http.py
+++ b/vdirsyncer/http.py
@@ -140,8 +140,8 @@ async def request(
 
     kwargs.pop("cert", None)  # TODO XXX FIXME!
 
-    # Hacks to translate API
-    if auth := kwargs.pop("auth", None):
+    auth = kwargs.pop("auth", None)
+    if auth:
         kwargs["auth"] = aiohttp.BasicAuth(*auth)
 
     r = func(method, url, ssl=ssl, **kwargs)