Pit dateutils for tcp-qa itself

PROD-37289

Change-Id: I41106ab1a51b37af7905f57991274ccdbdaff48a
diff --git a/tcp_tests/requirements.txt b/tcp_tests/requirements.txt
index 328207e..5f58f3f 100644
--- a/tcp_tests/requirements.txt
+++ b/tcp_tests/requirements.txt
@@ -1,6 +1,7 @@
 mock>=1.2,<4.0.0 # pinning first to avoid dependency meat grinder below
 netaddr==0.7.18
 libvirt-python>=3.5.0,<4.1.0  # LGPLv2+
+python-dateutil==2.8.2
 git+https://github.com/openstack-archive/fuel-devops.git@10f4ac744e89bfefcba3d7d009de82669c52fa6e   # Use this requirement for Sqlite3, or if requirements for PostgreSQL are already installed
 git+https://github.com/dis-xcom/fuel-devops-driver-ironic
 paramiko<=2.8.0