diff --git a/tests/scripts/check-python-files.sh b/tests/scripts/check-python-files.sh
index 518c423..a80860d 100755
--- a/tests/scripts/check-python-files.sh
+++ b/tests/scripts/check-python-files.sh
@@ -14,11 +14,13 @@
 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-#
-# Purpose:
-#
-# Run 'pylint' on Python files for programming errors and helps enforcing
-# PEP8 coding standards.
+
+# Purpose: check Python files for potential programming errors or maintenance
+# hurdles. Run pylint to detect some potential mistakes and enforce PEP8
+# coding standards. If available, run mypy to perform static type checking.
+
+# We'll keep going on errors and report the status at the end.
+ret=0
 
 if type python3 >/dev/null 2>/dev/null; then
     PYTHON=python3
@@ -26,4 +28,17 @@
     PYTHON=python
 fi
 
-$PYTHON -m pylint -j 2 scripts/*.py tests/scripts/*.py
+$PYTHON -m pylint -j 2 scripts/*.py tests/scripts/*.py || {
+    echo >&2 "pylint reported errors"
+    ret=1
+}
+
+# Check types if mypy is available
+if type mypy >/dev/null 2>/dev/null; then
+    echo
+    echo 'Running mypy ...'
+    mypy scripts/*.py tests/scripts/*.py ||
+      ret=1
+fi
+
+exit $ret