use ubuntu 18 on gitlab, temporarly

.gitlab-ci.yml

@@ -39,12 +39,11 @@ test:unit:
 
 test:datanetwork-integration:
   stage: test
-  image: ubuntu:18.04
   script:
     - apt-get update
-    - apt-get install -y libboost1.65-all-dev python3.7-dev
-    - pip install tox-travis
-    - tox -e datanetwork
+    - apt-get install -y libboost-all-dev
+    - python3.7 -m pip install tox-travis
+    - LIBTORRENT_URL=https://s3.amazonaws.com/files.lbry.io/python_libtorrent-1.2.4-py2.py3-none-any.whl tox -e datanetwork --recreate
 
 test:blockchain-integration:
   stage: test
@@ -87,7 +86,7 @@ test:json-api:
 
 build:linux:
   extends: .build
-  image: ubuntu:16.04
+  image: ubuntu:18.04
   variables:
     OS: linux
   before_script:

tox.ini

@@ -6,8 +6,9 @@ extras = test
 changedir = {toxinidir}/tests
 setenv =
   HOME=/tmp
+  LIBTORRENT_URL={env:LIBTORRENT_URL:https://s3.amazonaws.com/files.lbry.io/python_libtorrent-1.2.4-py3-none-any.whl}
 commands =
-  pip install https://s3.amazonaws.com/files.lbry.io/python_libtorrent-1.2.4-py3-none-any.whl
+  pip install {env:LIBTORRENT_URL}
   pip install https://github.com/rogerbinns/apsw/releases/download/3.30.1-r1/apsw-3.30.1-r1.zip \
 		--global-option=fetch \
 		--global-option=--version --global-option=3.30.1 --global-option=--all \