diff --git a/.travis.yml b/.travis.yml
index 5f42231d6..fad8e4915 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -18,11 +18,14 @@ env:
 before_install:
 # install needed deps
  - travis_retry sudo apt-get update -qq
- - travis_retry sudo apt-get install -qq python-pygments qt5-default qt5-qmake qtbase5-dev qtcreator libxml2-utils libpcre3 gdb unzip wx-common xmlstarlet python3-dev liblua5.3-dev libcurl3 libcairo2-dev
+ - travis_retry sudo apt-get install -qq python-pygments python3-pip qt5-default qt5-qmake qtbase5-dev qtcreator libxml2-utils libpcre3 gdb unzip wx-common xmlstarlet python3-dev liblua5.3-dev libcurl3 libcairo2-dev
+# Python 2 modules 
  - travis_retry python2 -m pip install --user pytest==4.6.4
  - travis_retry python2 -m pip install --user pylint
  - travis_retry python2 -m pip install --user unittest2
  - travis_retry python2 -m pip install --user pexpect
+# Python 3 modules
+ - travis_retry python3 -m pip install --user pytest
 
 matrix:
 # do notify immediately about it when a job of a build fails.
@@ -224,6 +227,7 @@ script:
   - cd -
 # Testing addons
   - python -m pytest addons/test/test-*.py
+  - PYTHONPATH=./addons python3 -m pytest addons/test/test-*.py
 
 notifications:
   irc: