gha: Adding back the check step.

Signed-off-by: Tim 'mithro' Ansell <me@mith.ro>

.github/workflows/ci.yml

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a5f7168..dcd002f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,6 +12,7 @@
 
     steps:
     - uses: actions/checkout@v2
+
     - name: Setup
       run: |
         sed -i -e's/- python/- python=${{ matrix.python-version }}/' environment.yml
@@ -19,6 +20,11 @@
         # FIXME: #65 - Replace with `make-env`
         ./prepareenv.sh
 
+    - name: Check
+      run: |
+        ./.github/travis/check_license.sh
+        ./.github/travis/check_python_script.sh
+
     - name: Test
       run: |
         source "$HOME/miniconda/etc/profile.d/conda.sh"