diff --git a/.eslintrc.js b/.eslintrc.js
index 6ae271c..91fd206 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -9,7 +9,7 @@ const resolve = require('resolve');
 const yaml = require('js-yaml');
 
 // Returns the path to the Indico source package/repo
-const PATH_COMMAND = `python -c 'from flask.helpers import get_root_path; print get_root_path("indico")'`;
+const PATH_COMMAND = `python -c 'from flask.helpers import get_root_path; print(get_root_path("indico"))'`;
 
 let indicoBaseDir = null;
 const indicoPathFile = path.join(__dirname, '.indico_source');
diff --git a/.github/matchers/flake8-problem-matcher.json b/.github/matchers/flake8-problem-matcher.json
new file mode 100644
index 0000000..980ca43
--- /dev/null
+++ b/.github/matchers/flake8-problem-matcher.json
@@ -0,0 +1,17 @@
+{
+  "problemMatcher": [
+    {
+      "owner": "flake8",
+      "pattern": [
+        {
+          "regexp": "^([^:]*):(\\d+):(\\d+): (\\w\\d\\d\\d) (.*)$",
+          "file": 1,
+          "line": 2,
+          "column": 3,
+          "code": 4,
+          "message": 5
+        }
+      ]
+    }
+  ]
+}
diff --git a/.github/matchers/headers-problem-matcher.json b/.github/matchers/headers-problem-matcher.json
new file mode 100644
index 0000000..f036de1
--- /dev/null
+++ b/.github/matchers/headers-problem-matcher.json
@@ -0,0 +1,14 @@
+{
+  "problemMatcher": [
+    {
+      "owner": "headers",
+      "pattern": [
+        {
+          "regexp": "^((?:Missing|Incorrect) header) in (.+)$",
+          "message": 1,
+          "file": 2
+        }
+      ]
+    }
+  ]
+}
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..f5c976f
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,260 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - master
+      - 2.3-maintenance
+  pull_request:
+    branches:
+      - master
+      - 2.3-maintenance
+
+jobs:
+  setup:
+    runs-on: ubuntu-18.04
+    defaults:
+      run:
+        shell: bash
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Get upstream branch name
+        run: |
+          if [[ $GITHUB_EVENT_NAME == push ]]; then
+            upstream_branch="${GITHUB_REF#refs/heads/}"
+          elif [[ $GITHUB_EVENT_NAME == pull_request ]]; then
+            upstream_branch="${GITHUB_HEAD_REF#refs/heads/}"
+          else
+            echo "unsupported event: $GITHUB_EVENT_NAME"
+            exit 1
+          fi
+          if [[ $upstream_branch != master && $upstream_branch != *-maintenance ]]; then
+            echo "assuming there is no branch named ${upstream_branch} in indico; defaulting to 2.3-maintenance"
+            upstream_branch=2.3-maintenance
+          else
+            echo "using indico upstream branch ${upstream_branch}"
+          fi
+          echo "INDICO_BRANCH=${upstream_branch}" >> "$GITHUB_ENV"
+
+      - uses: actions/cache@v2
+        id: cache-pip
+        with:
+          path: .venv
+          key: indico-v2-${{ runner.os }}-pip
+
+      - uses: actions/cache@v2
+        id: cache-npm
+        with:
+          path: node_modules
+          key: ${{ runner.os }}-npm-${{ hashFiles('package*.json') }}
+
+      - name: Setup Python
+        uses: actions/setup-python@v1
+        if: steps.cache-pip.outputs.cache-hit != 'true'
+        with:
+          python-version: '2.7'
+
+      - name: Setup Node
+        uses: actions/setup-node@v1
+        if: steps.cache-npm.outputs.cache-hit != 'true'
+        with:
+          node-version: '14.x'
+
+      - name: Install system dependencies
+        if: steps.cache-pip.outputs.cache-hit != 'true'
+        run: sudo apt-get install postgresql-client libpq-dev python-virtualenv
+
+      - name: Install python dependencies
+        if: steps.cache-pip.outputs.cache-hit != 'true'
+        run: |
+          virtualenv .venv
+          source .venv/bin/activate
+          pip install -U pip setuptools
+          pip install wheel
+          pip install git+https://github.com/indico/indico.git@${INDICO_BRANCH}#egg=indico
+          pip install flake8 isort
+
+      - name: Activate virtualenv for later steps
+        run: |
+          echo "VIRTUAL_ENV=$(pwd)/.venv" >> $GITHUB_ENV
+          echo "$(pwd)/.venv/bin" >> $GITHUB_PATH
+
+      - name: Re-install indico if cache was used
+        if: steps.cache-pip.outputs.cache-hit == 'true'
+        run: |
+          pip uninstall -y indico
+          pip install git+https://github.com/indico/indico.git@${INDICO_BRANCH}#egg=indico
+
+      - name: Install node dependencies
+        if: steps.cache-npm.outputs.cache-hit != 'true'
+        run: npm ci
+
+  lint:
+    needs: setup
+    runs-on: ubuntu-18.04
+
+    defaults:
+      run:
+        shell: bash
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Get upstream branch name
+        run: |
+          if [[ $GITHUB_EVENT_NAME == push ]]; then
+            upstream_branch="${GITHUB_REF#refs/heads/}"
+          elif [[ $GITHUB_EVENT_NAME == pull_request ]]; then
+            upstream_branch="${GITHUB_HEAD_REF#refs/heads/}"
+          else
+            echo "unsupported event: $GITHUB_EVENT_NAME"
+            exit 1
+          fi
+          if [[ $upstream_branch != master && $upstream_branch != *-maintenance ]]; then
+            echo "assuming there is no branch named ${upstream_branch} in indico; defaulting to 2.3-maintenance"
+            upstream_branch=2.3-maintenance
+          else
+            echo "using indico upstream branch ${upstream_branch}"
+          fi
+          echo "INDICO_BRANCH=${upstream_branch}" >> "$GITHUB_ENV"
+
+      - uses: actions/cache@v2
+        id: cache-pip
+        with:
+          path: .venv
+          key: indico-v2-${{ runner.os }}-pip
+
+      - uses: actions/cache@v2
+        id: cache-npm
+        with:
+          path: node_modules
+          key: ${{ runner.os }}-npm-${{ hashFiles('package*.json') }}
+
+      - name: Setup Python
+        uses: actions/setup-python@v1
+        with:
+          python-version: '2.7'
+
+      - name: Setup Node
+        uses: actions/setup-node@v1
+        with:
+          node-version: '14.x'
+
+      - name: Activate virtualenv for later steps
+        run: |
+          echo "VIRTUAL_ENV=$(pwd)/.venv" >> $GITHUB_ENV
+          echo "$(pwd)/.venv/bin" >> $GITHUB_PATH
+
+      - name: Check import sorting
+        run: isort --diff --check-only .
+
+      - name: Check headers
+        if: success() || failure()
+        run: |
+          wget "https://raw.githubusercontent.com/indico/indico/${INDICO_BRANCH}/bin/maintenance/update_header.py" -O /tmp/update_header.py
+          echo '::add-matcher::.github/matchers/headers-problem-matcher.json'
+          python /tmp/update_header.py --ci
+          echo '::remove-matcher owner=headers::'
+
+      - name: Run flake8
+        if: success() || failure()
+        continue-on-error: true
+        run: |
+          echo '::add-matcher::.github/matchers/flake8-problem-matcher.json'
+          flake8 --format '%(path)s:%(row)d:%(col)d: %(code)s %(text)s'
+          echo '::remove-matcher owner=flake8::'
+
+  test-plugin:
+    needs: setup
+    runs-on: ubuntu-18.04
+
+    defaults:
+      run:
+        shell: bash
+
+    services:
+      postgres:
+        image: postgres:11
+        env:
+          POSTGRES_HOST_AUTH_METHOD: trust
+        ports:
+          - 5432
+        options: --health-cmd pg_isready --health-interval 5s --health-timeout 5s --health-retries 10
+
+    strategy:
+      matrix:
+        include:
+          - plugin: livesync
+          - plugin: payment_paypal
+          - plugin: vc_zoom
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Get upstream branch name
+        run: |
+          if [[ $GITHUB_EVENT_NAME == push ]]; then
+            upstream_branch="${GITHUB_REF#refs/heads/}"
+          elif [[ $GITHUB_EVENT_NAME == pull_request ]]; then
+            upstream_branch="${GITHUB_HEAD_REF#refs/heads/}"
+          else
+            echo "unsupported event: $GITHUB_EVENT_NAME"
+            exit 1
+          fi
+          if [[ $upstream_branch != master && $upstream_branch != *-maintenance ]]; then
+            echo "assuming there is no branch named ${upstream_branch} in indico; defaulting to 2.3-maintenance"
+            upstream_branch=2.3-maintenance
+          else
+            echo "using indico upstream branch ${upstream_branch}"
+          fi
+          echo "INDICO_BRANCH=${upstream_branch}" >> "$GITHUB_ENV"
+
+      - uses: actions/cache@v2
+        id: cache-pip
+        with:
+          path: .venv
+          key: indico-v2-${{ runner.os }}-pip
+
+      - uses: actions/cache@v2
+        id: cache-npm
+        with:
+          path: node_modules
+          key: ${{ runner.os }}-npm-${{ hashFiles('package*.json') }}
+
+      - name: Setup Python
+        uses: actions/setup-python@v1
+        with:
+          python-version: '2.7'
+
+      - name: Setup Node
+        uses: actions/setup-node@v1
+        with:
+          node-version: '14.x'
+
+      - name: Activate virtualenv for later steps
+        run: |
+          echo "VIRTUAL_ENV=$(pwd)/.venv" >> $GITHUB_ENV
+          echo "$(pwd)/.venv/bin" >> $GITHUB_PATH
+
+      - name: Install plugin
+        run: |
+          cd "${GITHUB_WORKSPACE}/${{ matrix.plugin }}"
+          pip install -e .
+
+      - name: Setup database
+        run: |
+          export PGHOST=localhost
+          export PGPORT=${{ job.services.postgres.ports[5432] }}
+          export PGUSER=postgres
+          createuser indicotest
+          createdb -O indicotest indicotest
+          psql indicotest -c 'CREATE EXTENSION unaccent;'
+          psql indicotest -c 'CREATE EXTENSION pg_trgm;'
+
+      - name: Run tests
+        run: |
+          export INDICO_TEST_DATABASE_URI="postgresql://indicotest@localhost:${{ job.services.postgres.ports[5432] }}/indicotest"
+          cd "${GITHUB_WORKSPACE}/${{ matrix.plugin }}"
+          pytest --color=yes
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index 9a236b7..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,23 +0,0 @@
-language: python
-python:
-  - 2.7
-addons:
-  postgresql: 9.6
-env:
-  - PLUGIN=livesync
-  - PLUGIN=payment_paypal
-before_install:
-  - pip install -U pip setuptools
-  - pip install -e git+https://github.com/indico/indico.git@${TRAVIS_BRANCH}#egg=indico
-install:
-  - cd "${TRAVIS_BUILD_DIR}/${PLUGIN}"
-  - pip install -e .
-script:
-  - pytest
-notifications:
-  email: false
-  irc:
-    channels:
-      - 'chat.freenode.net#indico'
-    use_notice: true
-    skip_join: true
diff --git a/vc_zoom/indico_vc_zoom/plugin.py b/vc_zoom/indico_vc_zoom/plugin.py
index eb7ebad..0192084 100644
--- a/vc_zoom/indico_vc_zoom/plugin.py
+++ b/vc_zoom/indico_vc_zoom/plugin.py
@@ -223,7 +223,9 @@ class ZoomPlugin(VCPluginMixin, IndicoPlugin):
                     })
                 elif room_assoc.link_object != old_link:
                     # the booking should now be linked to something else
-                    new_schedule_args = get_schedule_args(room_assoc.link_object) if room_assoc.link_object.start_dt else {}
+                    new_schedule_args = (get_schedule_args(room_assoc.link_object)
+                                         if room_assoc.link_object.start_dt
+                                         else {})
                     meeting = fetch_zoom_meeting(vc_room)
                     current_schedule_args = {k: meeting[k] for k in {'start_time', 'duration'} if k in meeting}