Added parametrization of workers.

Change-Id: I657f405843b944ae88bd1bb95b4efbeebacde12f
diff --git a/other-requirements.txt b/other-requirements.txt
new file mode 100644
index 0000000..ba84cc5
--- /dev/null
+++ b/other-requirements.txt
@@ -0,0 +1 @@
+python-yaml