Add IxNetwork API Python Binding package

Add IxNetwork python package to the requirements list.

This module is needed for the "NSPerf" scenarios using IXIA as traffic
generator, when IxNetwork is the program used to handle the IXIA
generator.

The latest version of this module is 8.40.1124.9 [1]. The license type
is MIT.

[1] https://pypi.python.org/pypi/ixnetwork

JIRA: YARDSTICK-1106

Change-Id: I279933c95994f5120930256a104c4192a0b9900d
Signed-off-by: Rodolfo Alonso Hernandez <rodolfo.alonso.hernandez@intel.com>

17 files changed, 65 insertions, 116 deletions

diff --git a/ansible/multi_port_baremetal_ixia_correlated_test.yaml b/ansible/multi_port_baremetal_ixia_correlated_test.yaml
index ba92b5cd3..0d223181d 100644
--- a/ansible/multi_port_baremetal_ixia_correlated_test.yaml
+++ b/ansible/multi_port_baremetal_ixia_correlated_test.yaml
@@ -42,7 +42,6 @@
         lib_path: "/opt/ixia/ixos-api/8.01.0.2/lib/ixTcl1.0"
         root_dir: "/opt/ixia/ixos-api/8.01.0.2/"
         py_bin_path: "/opt/ixia/ixload/8.01.106.3/bin/"
-        py_lib_path: "/opt/ixia/ixnetwork/8.01.1029.14/lib/PythonApi"
         dut_result_dir: "/mnt/results"
         version: "8.01.106.3"
       pcis:
diff --git a/ansible/multi_port_baremetal_ixia_test.yaml b/ansible/multi_port_baremetal_ixia_test.yaml
index 52bc40b43..d2dfaa3c4 100644
--- a/ansible/multi_port_baremetal_ixia_test.yaml
+++ b/ansible/multi_port_baremetal_ixia_test.yaml
@@ -42,7 +42,6 @@
         lib_path: "/opt/ixia/ixos-api/8.01.0.2/lib/ixTcl1.0"
         root_dir: "/opt/ixia/ixos-api/8.01.0.2/"
         py_bin_path: "/opt/ixia/ixload/8.01.106.3/bin/"
-        py_lib_path: "/opt/ixia/ixnetwork/8.01.1029.14/lib/PythonApi"
         dut_result_dir: "/mnt/results"
         version: "8.01.106.3"
       pcis:
diff --git a/ansible/standalone_ovs_scale_out_ixia_correlated_test.yaml b/ansible/standalone_ovs_scale_out_ixia_correlated_test.yaml
index 516676576..b54ea9b57 100644
--- a/ansible/standalone_ovs_scale_out_ixia_correlated_test.yaml
+++ b/ansible/standalone_ovs_scale_out_ixia_correlated_test.yaml
@@ -51,13 +51,12 @@
       user: ""
       password: ""
       key_filename: ~
-      tg_config: 
+      tg_config:
         ixchassis: "1.1.1.127" #ixia chassis ip
         tcl_port: "8009" # tcl server port
         lib_path: "/opt/ixia/ixos-api/8.01.0.2/lib/ixTcl1.0"
         root_dir: "/opt/ixia/ixos-api/8.01.0.2/"
         py_bin_path: "/opt/ixia/ixload/8.01.106.3/bin/"
-        py_lib_path: "/opt/ixia/ixnetwork/8.01.1029.14/lib/PythonApi"
         dut_result_dir: "/mnt/results"
         version: "8.01.106.3"
       pcis:
diff --git a/ansible/standalone_ovs_scale_out_ixia_test.yaml b/ansible/standalone_ovs_scale_out_ixia_test.yaml
index ff665377f..cae373432 100644
--- a/ansible/standalone_ovs_scale_out_ixia_test.yaml
+++ b/ansible/standalone_ovs_scale_out_ixia_test.yaml
@@ -60,7 +60,6 @@
         lib_path: "/opt/ixia/ixos-api/8.01.0.2/lib/ixTcl1.0"
         root_dir: "/opt/ixia/ixos-api/8.01.0.2/"
         py_bin_path: "/opt/ixia/ixload/8.01.106.3/bin/"
-        py_lib_path: "/opt/ixia/ixnetwork/8.01.1029.14/lib/PythonApi"
         dut_result_dir: "/mnt/results"
         version: "8.01.106.3"
       pcis:
diff --git a/ansible/standalone_sriov_scale_out_ixia_correlated_test.yaml b/ansible/standalone_sriov_scale_out_ixia_correlated_test.yaml
index 45a4a498b..0e3a0af55 100644
--- a/ansible/standalone_sriov_scale_out_ixia_correlated_test.yaml
+++ b/ansible/standalone_sriov_scale_out_ixia_correlated_test.yaml
@@ -43,13 +43,12 @@
       user: ""
       password: ""
       key_filename: ~
-      tg_config: 
+      tg_config:
         ixchassis: "1.1.1.127" #ixia chassis ip
         tcl_port: "8009" # tcl server port
         lib_path: "/opt/ixia/ixos-api/8.01.0.2/lib/ixTcl1.0"
         root_dir: "/opt/ixia/ixos-api/8.01.0.2/"
         py_bin_path: "/opt/ixia/ixload/8.01.106.3/bin/"
-        py_lib_path: "/opt/ixia/ixnetwork/8.01.1029.14/lib/PythonApi"
         dut_result_dir: "/mnt/results"
         version: "8.01.106.3"
       pcis:
diff --git a/ansible/standalone_sriov_scale_out_ixia_test.yaml b/ansible/standalone_sriov_scale_out_ixia_test.yaml
index 659dbef07..8fb09d9b9 100644
--- a/ansible/standalone_sriov_scale_out_ixia_test.yaml
+++ b/ansible/standalone_sriov_scale_out_ixia_test.yaml
@@ -49,7 +49,6 @@
         lib_path: "/opt/ixia/ixos-api/8.01.0.2/lib/ixTcl1.0"
         root_dir: "/opt/ixia/ixos-api/8.01.0.2/"
         py_bin_path: "/opt/ixia/ixload/8.01.106.3/bin/"
-        py_lib_path: "/opt/ixia/ixnetwork/8.01.1029.14/lib/PythonApi"
         dut_result_dir: "/mnt/results"
         version: "8.01.106.3"
       pcis:
diff --git a/docs/testing/user/userguide/13-nsb-installation.rst b/docs/testing/user/userguide/13-nsb-installation.rst
index 1f6c79b0b..3e0ed0bfb 100644
--- a/docs/testing/user/userguide/13-nsb-installation.rst
+++ b/docs/testing/user/userguide/13-nsb-installation.rst
@@ -1058,40 +1058,8 @@ IxLoad
 
   Config ``pod_ixia.yaml``
 
-  .. code-block:: yaml
-
-      nodes:
-          -
-            name: trafficgen_1
-            role: IxNet
-            ip: 1.2.1.1 #ixia machine ip
-            user: user
-            password: r00t
-            key_filename: /root/.ssh/id_rsa
-            tg_config:
-                ixchassis: "1.2.1.7" #ixia chassis ip
-                tcl_port: "8009" # tcl server port
-                lib_path: "/opt/ixia/ixos-api/8.01.0.2/lib/ixTcl1.0"
-                root_dir: "/opt/ixia/ixos-api/8.01.0.2/"
-                py_bin_path: "/opt/ixia/ixload/8.01.106.3/bin/"
-                py_lib_path: "/opt/ixia/ixnetwork/8.01.1029.14/lib/PythonApi"
-                dut_result_dir: "/mnt/ixia"
-                version: 8.1
-            interfaces:
-                xe0:  # logical name from topology.yaml and vnfd.yaml
-                    vpci: "2:5" # Card:port
-                    driver:    "none"
-                    dpdk_port_num: 0
-                    local_ip: "152.16.100.20"
-                    netmask:   "255.255.0.0"
-                    local_mac: "00:98:10:64:14:00"
-                xe1:  # logical name from topology.yaml and vnfd.yaml
-                    vpci: "2:6" # [(Card, port)]
-                    driver:    "none"
-                    dpdk_port_num: 1
-                    local_ip: "152.40.40.20"
-                    netmask:   "255.255.0.0"
-                    local_mac: "00:98:28:28:14:00"
+  .. literalinclude:: code/pod_ixia.yaml
+     :language: console
 
   for sriov/ovs_dpdk pod files, please refer to above Standalone Virtualization for ovs-dpdk/sriov configuration
 
@@ -1113,10 +1081,10 @@ IxLoad
 IxNetwork
 ---------
 
-1. Software needed: ``IxNetworkAPI<ixnetwork verson>Linux64.bin.tgz``
-   (Download from ixia support site)
-   Install - ``IxNetworkAPI<ixnetwork verson>Linux64.bin.tgz``
-2. Update pod_ixia.yaml file with ixia details.
+IxNetwork testcases use IxNetwork API Python Bindings module, which is
+installed as part of the requirements of the project.
+
+1. Update ``pod_ixia.yaml`` file with ixia details.
 
   .. code-block:: console
 
@@ -1124,44 +1092,12 @@ IxNetwork
 
   Config pod_ixia.yaml
 
-  .. code-block:: yaml
-
-      nodes:
-          -
-            name: trafficgen_1
-            role: IxNet
-            ip: 1.2.1.1 #ixia machine ip
-            user: user
-            password: r00t
-            key_filename: /root/.ssh/id_rsa
-            tg_config:
-                ixchassis: "1.2.1.7" #ixia chassis ip
-                tcl_port: "8009" # tcl server port
-                lib_path: "/opt/ixia/ixos-api/8.01.0.2/lib/ixTcl1.0"
-                root_dir: "/opt/ixia/ixos-api/8.01.0.2/"
-                py_bin_path: "/opt/ixia/ixload/8.01.106.3/bin/"
-                py_lib_path: "/opt/ixia/ixnetwork/8.01.1029.14/lib/PythonApi"
-                dut_result_dir: "/mnt/ixia"
-                version: 8.1
-            interfaces:
-                xe0:  # logical name from topology.yaml and vnfd.yaml
-                    vpci: "2:5" # Card:port
-                    driver:    "none"
-                    dpdk_port_num: 0
-                    local_ip: "152.16.100.20"
-                    netmask:   "255.255.0.0"
-                    local_mac: "00:98:10:64:14:00"
-                xe1:  # logical name from topology.yaml and vnfd.yaml
-                    vpci: "2:6" # [(Card, port)]
-                    driver:    "none"
-                    dpdk_port_num: 1
-                    local_ip: "152.40.40.20"
-                    netmask:   "255.255.0.0"
-                    local_mac: "00:98:28:28:14:00"
+  .. literalinclude:: code/pod_ixia.yaml
+     :language: console
 
   for sriov/ovs_dpdk pod files, please refer to above Standalone Virtualization for ovs-dpdk/sriov configuration
 
-3. Start IxNetwork TCL Server
+2. Start IxNetwork TCL Server
    You will also need to configure the IxNetwork machine to start the IXIA
    IxNetworkTclServer. This can be started like so:
 
@@ -1170,6 +1106,5 @@ IxNetwork
       ``Start->Programs->Ixia->IxNetwork->IxNetwork 7.21.893.14 GA->IxNetworkTclServer``
       (or ``IxNetworkApiServer``)
 
-4. Execute testcase in samplevnf folder e.g.
+3. Execute testcase in samplevnf folder e.g.
    ``<repo>/samples/vnf_samples/nsut/vfw/tc_baremetal_rfc2544_ipv4_1rule_1flow_64B_ixia.yaml``
-
diff --git a/docs/testing/user/userguide/code/pod_ixia.yaml b/docs/testing/user/userguide/code/pod_ixia.yaml
new file mode 100644
index 000000000..4ab56fe4e
--- /dev/null
+++ b/docs/testing/user/userguide/code/pod_ixia.yaml
@@ -0,0 +1,31 @@
+nodes:
+-
+    name: trafficgen_1
+    role: IxNet
+    ip: 1.2.1.1 #ixia machine ip
+    user: user
+    password: r00t
+    key_filename: /root/.ssh/id_rsa
+    tg_config:
+        ixchassis: "1.2.1.7" #ixia chassis ip
+        tcl_port: "8009" # tcl server port
+        lib_path: "/opt/ixia/ixos-api/8.01.0.2/lib/ixTcl1.0"
+        root_dir: "/opt/ixia/ixos-api/8.01.0.2/"
+        py_bin_path: "/opt/ixia/ixload/8.01.106.3/bin/"
+        dut_result_dir: "/mnt/ixia"
+        version: 8.1
+    interfaces:
+        xe0:  # logical name from topology.yaml and vnfd.yaml
+            vpci: "2:5" # Card:port
+            driver:    "none"
+            dpdk_port_num: 0
+            local_ip: "152.16.100.20"
+            netmask:   "255.255.0.0"
+            local_mac: "00:98:10:64:14:00"
+        xe1:  # logical name from topology.yaml and vnfd.yaml
+            vpci: "2:6" # [(Card, port)]
+            driver:    "none"
+            dpdk_port_num: 1
+            local_ip: "152.40.40.20"
+            netmask:   "255.255.0.0"
+            local_mac: "00:98:28:28:14:00"
diff --git a/etc/yardstick/nodes/pod.yaml.nsb.sample.ixia b/etc/yardstick/nodes/pod.yaml.nsb.sample.ixia
index 57a83058e..1f755dc4e 100644
--- a/etc/yardstick/nodes/pod.yaml.nsb.sample.ixia
+++ b/etc/yardstick/nodes/pod.yaml.nsb.sample.ixia
@@ -26,7 +26,6 @@ nodes:
         lib_path: "/opt/ixia/ixos-api/8.01.0.2/lib/ixTcl1.0"
         root_dir: "/opt/ixia/ixos-api/8.01.0.2/"
         py_bin_path: "/opt/ixia/ixload/8.01.106.3/bin/"
-        py_lib_path: "/opt/ixia/ixnetwork/8.01.1029.14/lib/PythonApi"
         dut_result_dir: "/mnt/ixia"
         version: 8.1
     interfaces:
diff --git a/etc/yardstick/nodes/standalone/ixia_correlated_template.yaml b/etc/yardstick/nodes/standalone/ixia_correlated_template.yaml
index 7250c4ce3..ef63ea04c 100644
--- a/etc/yardstick/nodes/standalone/ixia_correlated_template.yaml
+++ b/etc/yardstick/nodes/standalone/ixia_correlated_template.yaml
@@ -26,13 +26,12 @@ nodes:
     user: {{gen.user}}
     password: {{gen.password}}
     key_filename: {{gen.key_filename}}
-    tg_config: 
+    tg_config:
         ixchassis: "{{gen.tg_config.ixchassis}}" #ixia chassis ip
         tcl_port: "{{gen.tg_config.tcl_port}}" # tcl server port
         lib_path: "{{gen.tg_config.lib_path}}"
         root_dir: "{{gen.tg_config.root_dir}}"
         py_bin_path: "{{gen.tg_config.py_bin_path}}"
-        py_lib_path: "{{gen.tg_config.py_lib_path}}"
         dut_result_dir: "{{gen.tg_config.dut_result_dir}}"
         version: "{{gen.tg_config.version}}"
     interfaces:
diff --git a/etc/yardstick/nodes/standalone/ixia_template.yaml b/etc/yardstick/nodes/standalone/ixia_template.yaml
index 617a65162..98ed8c5c2 100644
--- a/etc/yardstick/nodes/standalone/ixia_template.yaml
+++ b/etc/yardstick/nodes/standalone/ixia_template.yaml
@@ -32,7 +32,6 @@ nodes:
       lib_path: "{{gen.tg_config.lib_path}}"
       root_dir: "{{gen.tg_config.root_dir}}"
       py_bin_path: "{{gen.tg_config.py_bin_path}}"
-      py_lib_path: "{{gen.tg_config.py_lib_path}}"
       dut_result_dir: "{{gen.tg_config.dut_result_dir}}"
       version: "{{gen.tg_config.version}}"
     interfaces:
diff --git a/requirements.txt b/requirements.txt
index cd795fdd9..2cde89c0e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -27,6 +27,7 @@ flask==0.11.1           # BSD; OSI Approved  BSD License
 functools32==3.2.3.post2; python_version <= "2.7"    # PSF license
 futures==3.1.1;python_version=='2.7'    # BSD; OSI Approved  BSD License
 influxdb==4.1.1         # MIT License; OSI Approved  MIT License
+IxNetwork==8.40.1124.9  # MIT License; OSI Approved  MIT License
 jinja2schema==0.1.4     # OSI Approved  BSD License
 keystoneauth1==3.1.0    # OSI Approved  Apache Software License
 kubernetes==3.0.0a1     # OSI Approved  Apache Software License
diff --git a/samples/vnf_samples/vnf_descriptors/ixia_rfc2544_tpl.yaml b/samples/vnf_samples/vnf_descriptors/ixia_rfc2544_tpl.yaml
index 9b2a152f3..aca7c2102 100644
--- a/samples/vnf_samples/vnf_descriptors/ixia_rfc2544_tpl.yaml
+++ b/samples/vnf_samples/vnf_descriptors/ixia_rfc2544_tpl.yaml
@@ -29,7 +29,6 @@ vnfd:vnfd-catalog:
                 tcl_port: '{{tg_config.tcl_port}}' # tcl server port
                 lib_path: '{{tg_config.lib_path}}'
                 root_dir: '{{tg_config.root_dir}}'
-                py_lib_path: '{{tg_config.py_lib_path}}'
                 py_bin_path: '{{tg_config.py_bin_path}}'
                 dut_result_dir: '{{tg_config.dut_result_dir}}'
                 version: '{{tg_config.version}}'
diff --git a/samples/vnf_samples/vnf_descriptors/tg_ixload.yaml b/samples/vnf_samples/vnf_descriptors/tg_ixload.yaml
index ad4953fce..0324bb8fd 100644
--- a/samples/vnf_samples/vnf_descriptors/tg_ixload.yaml
+++ b/samples/vnf_samples/vnf_descriptors/tg_ixload.yaml
@@ -29,7 +29,6 @@ vnfd:vnfd-catalog:
                 tcl_port: '{{tg_config.tcl_port}}' # tcl server port
                 lib_path: '{{tg_config.lib_path}}'
                 root_dir: '{{tg_config.root_dir}}'
-                py_lib_path: '{{tg_config.py_lib_path}}'
                 py_bin_path: '{{tg_config.py_bin_path}}'
                 dut_result_dir: '{{tg_config.dut_result_dir}}'
                 version: '{{tg_config.version}}'
diff --git a/samples/vnf_samples/vnf_descriptors/tg_ixload_4port.yaml b/samples/vnf_samples/vnf_descriptors/tg_ixload_4port.yaml
index ffbfbdec0..def8cdcef 100644
--- a/samples/vnf_samples/vnf_descriptors/tg_ixload_4port.yaml
+++ b/samples/vnf_samples/vnf_descriptors/tg_ixload_4port.yaml
@@ -28,7 +28,6 @@ vnfd:vnfd-catalog:
                 tcl_port: '{{tg_config.tcl_port}}' # tcl server port
                 lib_path: '{{tg_config.lib_path}}'
                 root_dir: '{{tg_config.root_dir}}'
-                py_lib_path: '{{tg_config.py_lib_path}}'
                 dut_result_dir: '{{tg_config.dut_result_dir}}'
                 version: '{{tg_config.version}}'
         vdu:
diff --git a/yardstick/network_services/libs/ixia_libs/IxNet/IxNet.py b/yardstick/network_services/libs/ixia_libs/IxNet/IxNet.py
index 70ce4ff03..c538ceeba 100644
--- a/yardstick/network_services/libs/ixia_libs/IxNet/IxNet.py
+++ b/yardstick/network_services/libs/ixia_libs/IxNet/IxNet.py
@@ -12,13 +12,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from __future__ import absolute_import
-from __future__ import print_function
-import sys
 import logging
 
 import re
 from itertools import product
+import IxNetwork
+
 
 log = logging.getLogger(__name__)
 
@@ -135,7 +134,6 @@ class IxNextgen(object):
             port.append(port0)
 
         cfg = {
-            'py_lib_path': tg_cfg["mgmt-interface"]["tg-config"]["py_lib_path"],
             'machine': tg_cfg["mgmt-interface"]["ip"],
             'port': tg_cfg["mgmt-interface"]["tg-config"]["tcl_port"],
             'chassis': tg_cfg["mgmt-interface"]["tg-config"]["ixchassis"],
@@ -186,7 +184,7 @@ class IxNextgen(object):
             self.set_random_ip_multi_attribute(ip, seeds[1], fixed_bits, random_mask, l3_count)
 
     def add_ip_header(self, params, version):
-        for it, ep, i in self.iter_over_get_lists('/traffic', 'trafficItem', "configElement", 1):
+        for _, ep, i in self.iter_over_get_lists('/traffic', 'trafficItem', "configElement", 1):
             iter1 = (v['outer_l3'] for v in params.values() if str(v['id']) == str(i))
             try:
                 l3 = next(iter1, {})
@@ -194,21 +192,13 @@ class IxNextgen(object):
             except (KeyError, IndexError):
                 continue
 
-            for ip, ip_bits, _ in self.iter_over_get_lists(ep, 'stack', 'field'):
+            for _, ip_bits, _ in self.iter_over_get_lists(ep, 'stack', 'field'):
                 self.set_random_ip_multi_attributes(ip_bits, version, seeds, l3)
 
         self.ixnet.commit()
 
     def _connect(self, tg_cfg):
         self._cfg = self.get_config(tg_cfg)
-
-        sys.path.append(self._cfg["py_lib_path"])
-        # Import IxNetwork after getting ixia lib path
-        try:
-            import IxNetwork
-        except ImportError:
-            raise
-
         self.ixnet = IxNetwork.IxNet()
 
         machine = self._cfg['machine']
@@ -292,7 +282,7 @@ class IxNextgen(object):
             self.update_ether_multi_attribute(ether, str(l2.get('srcmac', "00:00:00:00:00:01")))
 
     def ix_update_ether(self, params):
-        for ti, ep, index in self.iter_over_get_lists('/traffic', 'trafficItem',
+        for _, ep, index in self.iter_over_get_lists('/traffic', 'trafficItem',
                                                       "configElement", 1):
             iter1 = (v['outer_l2'] for v in params.values() if str(v['id']) == str(index))
             try:
@@ -300,7 +290,7 @@ class IxNextgen(object):
             except KeyError:
                 continue
 
-            for ip, ether, _ in self.iter_over_get_lists(ep, 'stack', 'field'):
+            for _, ether, _ in self.iter_over_get_lists(ep, 'stack', 'field'):
                 self.update_ether_multi_attributes(ether, l2)
 
         self.ixnet.commit()
diff --git a/yardstick/tests/unit/network_services/libs/ixia_libs/test_IxNet.py b/yardstick/tests/unit/network_services/libs/ixia_libs/test_IxNet.py
index fe750e5ba..7ca2f0f19 100644
--- a/yardstick/tests/unit/network_services/libs/ixia_libs/test_IxNet.py
+++ b/yardstick/tests/unit/network_services/libs/ixia_libs/test_IxNet.py
@@ -13,8 +13,9 @@
 # limitations under the License.
 #
 
-import unittest
 import mock
+import IxNetwork
+import unittest
 
 from yardstick.network_services.libs.ixia_libs.IxNet.IxNet import IxNextgen
 from yardstick.network_services.libs.ixia_libs.IxNet.IxNet import IP_VERSION_4
@@ -30,15 +31,20 @@ class TestIxNextgen(unittest.TestCase):
         ixnet_gen = IxNextgen()
         self.assertIsNone(ixnet_gen._bidir)
 
-    @mock.patch("yardstick.network_services.libs.ixia_libs.IxNet.IxNet.sys")
-    def test_connect(self, *args):
-
+    @mock.patch.object(IxNetwork, 'IxNet')
+    def test_connect(self, mock_ixnet):
+        ixnet_instance = mock.Mock()
+        mock_ixnet.return_value = ixnet_instance
         ixnet_gen = IxNextgen()
-        ixnet_gen.get_config = mock.MagicMock()
-        ixnet_gen.get_ixnet = mock.MagicMock()
+        with mock.patch.object(ixnet_gen, 'get_config') as mock_config:
+            mock_config.return_value = {'machine': 'machine_fake',
+                                        'port': 'port_fake',
+                                        'version': 12345}
+            ixnet_gen._connect(mock.ANY)
 
-        self.assertRaises(ImportError, ixnet_gen._connect,
-                          {"py_lib_path": "/tmp"})
+        ixnet_instance.connect.assert_called_once_with(
+            'machine_fake', '-port', 'port_fake', '-version', '12345')
+        mock_config.assert_called_once()
 
     def test_clear_ixia_config(self):
         ixnet = mock.MagicMock()
@@ -655,13 +661,11 @@ class TestIxNextgen(unittest.TestCase):
                     "version": "test3",
                     "ixchassis": "test4",
                     "tcl_port": "test5",
-                    "py_lib_path": "test6",
                 },
             }
         }
 
         expected = {
-            'py_lib_path': 'test6',
             'machine': 'test1',
             'port': 'test5',
             'chassis': 'test4',