debian/.gitlab-ci.yml

+image: debian:sid
+
+build:
+  stage: build
+  before_script:
+    - apt-get update && apt-get -y install devscripts git-buildpackage 
+    - mk-build-deps --tool "apt -y -o Debug::pkgProblemResolver=yes --no-install-recommends" --install -r debian/control 
+  script:
+    - git checkout pristine-tar 
+    - git pull 
+    - git checkout master 
+    - git pull 
+    # silence build to not exceed build log size of gitlab-ci
+    - gbp buildpackage -uc -us 2>&1 >../build.log
+    - tail -n 100 ../build.log
+

debian/changelog

+pymia (0.1.9-2) UNRELEASED; urgency=medium
+
+  [ Andreas Tille ]
+  * Remove invalid fields
+
+  [ Gert Wollny ]
+  * d/rules: depend only on python36-dev to work around build failures
+
+ -- Gert Wollny <gewo@debian.org>  Sat, 30 Jun 2018 21:23:54 +0200
+
 pymia (0.1.9-1) unstable; urgency=medium
 
   * Imported Upstream version 0.1.9

debian/control

@@ -6,7 +6,7 @@ Priority: optional
 Build-Depends: debhelper (>= 9),
                pkg-config,
                python-all-dev,
-               python3-all-dev,
+               python3.6-dev,
                python-numpy,
                python3-numpy,
                python-setuptools,