Pylint tests in all.sh
diff --git a/tests/scripts/check-python-files.sh b/tests/scripts/check-python-files.sh
new file mode 100755
index 0000000..e987945
--- /dev/null
+++ b/tests/scripts/check-python-files.sh
@@ -0,0 +1,18 @@
+#! /usr/bin/env sh
+
+# This file is part of mbed TLS (https://tls.mbed.org)
+#
+# Copyright (c) 2018, ARM Limited, All Rights Reserved
+#
+# Purpose
+#
+# Run 'pylint' on Python files for programming errors and helps enforcing
+# PEP8 coding standards.
+
+if `hash pylint > /dev/null 2>&1`; then
+    pylint -j 2 tests/scripts/generate_test_code.py --rcfile .pylint
+    pylint -j 2 tests/scripts/test_generate_test_code.py --rcfile .pylint
+    pylint -j 2 tests/scripts/mbedtls_test.py --rcfile .pylint
+else
+    echo "$0: WARNING: 'pylint' not found! Skipping checks on Python files."
+fi