Prepare for bindep

Change-Id: Ie28e37569ac04156a4fc6e2808718ddefd86dddb
diff --git a/other-requirements.txt b/other-requirements.txt
new file mode 100644
index 0000000..39ae404
--- /dev/null
+++ b/other-requirements.txt
@@ -0,0 +1,2 @@
+python-yaml
+