Fix bad execption name in IOU

tests/api/test_iou.py

@@ -49,6 +49,7 @@ def vm(server, project, base_params):
 def initial_config_file(project, vm):
     return os.path.join(project.path, "project-files", "iou", vm["vm_id"], "initial-config.cfg")
 
+
 def test_iou_create(server, project, base_params):
     response = server.post("/projects/{project_id}/iou/vms".format(project_id=project.id), base_params)
     assert response.status == 201
@@ -59,7 +60,7 @@ def test_iou_create(server, project, base_params):
     assert response.json["ethernet_adapters"] == 2
     assert response.json["ram"] == 256
     assert response.json["nvram"] == 128
-    assert response.json["l1_keepalives"] == False
+    assert response.json["l1_keepalives"] is False
 
 
 def test_iou_create_with_params(server, project, base_params):
@@ -80,7 +81,7 @@ def test_iou_create_with_params(server, project, base_params):
     assert response.json["ethernet_adapters"] == 0
     assert response.json["ram"] == 1024
     assert response.json["nvram"] == 512
-    assert response.json["l1_keepalives"] == True
+    assert response.json["l1_keepalives"] is True
     with open(initial_config_file(project, response.json)) as f:
         assert f.read() == params["initial_config"]
 
@@ -95,7 +96,7 @@ def test_iou_get(server, project, vm):
     assert response.json["ethernet_adapters"] == 2
     assert response.json["ram"] == 256
     assert response.json["nvram"] == 128
-    assert response.json["l1_keepalives"] == False
+    assert response.json["l1_keepalives"] is False
 
 
 def test_iou_start(server, vm):
@@ -145,10 +146,11 @@ def test_iou_update(server, vm, tmpdir, free_console_port, project):
     assert response.json["serial_adapters"] == 0
     assert response.json["ram"] == 512
     assert response.json["nvram"] == 2048
-    assert response.json["l1_keepalives"] == True
+    assert response.json["l1_keepalives"] is True
     with open(initial_config_file(project, response.json)) as f:
         assert f.read() == "hostname test"
 
+
 def test_iou_nio_create_udp(server, vm):
     response = server.post("/projects/{project_id}/iou/vms/{vm_id}/adapters/1/ports/0/nio".format(project_id=vm["project_id"], vm_id=vm["vm_id"]), {"type": "nio_udp",
                                                                                                                                                     "lport": 4242,