diff --git a/test_tsp.py b/test_tsp.py
index d9a709a..62afe48 100644
--- a/test_tsp.py
+++ b/test_tsp.py
@@ -27,11 +27,11 @@
 from tsp.response import ResponseStatus
 from tsp.tsp_client import TspClient
 
-REQUESTED_TIME_XY_START = 1332170682440133097
-REQUESTED_TIME_XY_END = 1332170692664579801
-REQUESTED_TIME_XY_LENGTH = 10
-REQUESTED_TIME_XY_STEP = (REQUESTED_TIME_XY_END -
-                          REQUESTED_TIME_XY_START) / REQUESTED_TIME_XY_LENGTH
+REQUESTED_TIME_START = 1332170682440133097
+REQUESTED_TIME_END = 1332170692664579801
+REQUESTED_TIME_LENGTH = 10
+REQUESTED_TIME_STEP = (REQUESTED_TIME_END -
+                       REQUESTED_TIME_START) / REQUESTED_TIME_LENGTH
 
 
 class TestTspClient:
@@ -272,26 +272,39 @@ def test_fetch_xy(self, kernel):
             assert response.model is not None
             status = response.model.status.upper()
 
-        parameters = {}
-        requested_items = []
-        for entry in response.model.model.entries:
-            requested_items.append(entry.id)
-        parameters[TspClient.REQUESTED_ITEM_KEY] = requested_items
-
-        requested_times = []
-        requested_time = REQUESTED_TIME_XY_START
-        while len(requested_times) < REQUESTED_TIME_XY_LENGTH:
-            requested_time += REQUESTED_TIME_XY_STEP
-            requested_times.append(int(requested_time))
-        parameters[TspClient.REQUESTED_TIME_KEY] = requested_times
-
-        params = {TspClient.PARAMETERS_KEY: parameters}
+        params = self.__requested_parameters(response)
         response = self.tsp_client.fetch_xy(experiment_uuid, output_id, params)
         assert response.status_code == 200
         assert response.model.model_type == response.model.model_type.XY
         self._delete_experiments()
         self._delete_traces()
 
+    def test_fetch_timegraph_tree_complete(self, kernel):
+        traces = []
+        response = self.tsp_client.open_trace(os.path.basename(kernel), kernel)
+        traces.append(response.model.UUID)
+        response = self.tsp_client.open_experiment(
+            os.path.basename(kernel), traces)
+        assert response.status_code == 200
+        experiment_uuid = response.model.UUID
+
+        response = self.tsp_client.fetch_experiment_outputs(experiment_uuid)
+        output_id = response.model.descriptors[0].id
+        status = ResponseStatus.RUNNING.name
+        while status == ResponseStatus.RUNNING.name:
+            time.sleep(1)
+            response = self.tsp_client.fetch_timegraph_tree(
+                experiment_uuid, output_id)
+            assert response.model is not None
+            status = response.model.status.upper()
+
+        params = self.__requested_parameters(response)
+        response = self.tsp_client.fetch_timegraph_tree(
+            experiment_uuid, output_id, params)
+        assert response.status_code == 200
+        self._delete_experiments()
+        self._delete_traces()
+
     def test_fetch_extensions_none(self):
         response = self.tsp_client.fetch_extensions()
         assert response.status_code == 200
@@ -314,3 +327,18 @@ def test_posted_extension_deleted(self, extension):
 
         response = self.tsp_client.fetch_extensions()
         assert not response.model.extension_set
+
+    def __requested_parameters(self, response):
+        parameters = {}
+        requested_items = []
+        for entry in response.model.model.entries:
+            requested_items.append(entry.id)
+        parameters[TspClient.REQUESTED_ITEM_KEY] = requested_items
+
+        requested_times = []
+        requested_time = REQUESTED_TIME_START
+        while len(requested_times) < REQUESTED_TIME_LENGTH:
+            requested_time += REQUESTED_TIME_STEP
+            requested_times.append(int(requested_time))
+        parameters[TspClient.REQUESTED_TIME_KEY] = requested_times
+        return {TspClient.PARAMETERS_KEY: parameters}
diff --git a/tsp/tree_model.py b/tree_model.py
similarity index 93%
rename from tsp/tree_model.py
rename to tree_model.py
index d7681e4..2741f3f 100644
--- a/tsp/tree_model.py
+++ b/tree_model.py
@@ -27,8 +27,6 @@
 
 import pandas as pd
 
-from tsp.data_type import DataType
-
 
 class TreeModel(object):
 
@@ -109,13 +107,9 @@ def print(self, data, depth=0):
                     print("  ", end="")
                 for _ in range((int)(depth / self._indent) - 1):
                     print("| ", end="")
-                other = ""
-                others = self._entry.others
                 # TODO print TimeGraphEntry specific fields
-                for k in others:
-                    other = ('{0} ({1}, {2})'.format(other, k, others.get(k)))
-                print("{0}{1} ({1}, {2}) {3} {4}".format(
-                    prefix, self._entry.labels[0], self._entry.id, self._entry.parent_id, other))
+                print("{0}{1} ({1}, {2}) {3}".format(
+                    prefix, self._entry.labels[0], self._entry.id, self._entry.parent_id))
             else:
                 label_str = ""
                 if(depth > 0):
diff --git a/tsp-cli-client b/tsp-cli-client
index 5664b66..17e6ede 100755
--- a/tsp-cli-client
+++ b/tsp-cli-client
@@ -34,7 +34,7 @@ from datetime import timedelta
 from decimal import Decimal
 from os.path import os
 
-from tsp.tree_model import TreeModel
+from tree_model import TreeModel
 from tsp.tsp_client import TspClient
 from tsp.xy_model import XYModel
 
diff --git a/tsp/column_descriptor.py b/tsp/column_descriptor.py
index f5cede6..da78888 100644
--- a/tsp/column_descriptor.py
+++ b/tsp/column_descriptor.py
@@ -31,7 +31,7 @@ class ColumnDescriptor(object):
     Basic entry
     '''
 
-    def __init__(self, params, copy_others=True):
+    def __init__(self, params):
         '''
         Text of header for the entry
         '''
@@ -47,12 +47,3 @@ def __init__(self, params, copy_others=True):
         if TOOLTIP_KEY in params:
             self.tooltip = params.get(TOOLTIP_KEY)
             del params[TOOLTIP_KEY]
-
-        '''
-        Store other key/value pairs that are not defined in the TSP in a dictionary
-        '''
-        self.copy_others = copy_others
-        if copy_others:
-            self.others = {}
-            if params:
-                self.others = copy.deepcopy(params)
diff --git a/tsp/data_type.py b/tsp/data_type.py
deleted file mode 100644
index bd5cf03..0000000
--- a/tsp/data_type.py
+++ /dev/null
@@ -1,35 +0,0 @@
-# The MIT License (MIT)
-#
-# Copyright (C) 2020 - Ericsson
-#
-# Permission is hereby granted, free of charge, to any person obtaining a copy
-# of this software and associated documentation files (the "Software"), to deal
-# in the Software without restriction, including without limitation the rights
-# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-# copies of the Software, and to permit persons to whom the Software is
-# furnished to do so, subject to the following conditions:
-#
-# The above copyright notice and this permission notice shall be included in
-# all copies or substantial portions of the Software.
-#
-# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-# SOFTWARE.
-
-from enum import Enum
-
-
-class DataType(Enum):
-    '''
-    Type enum to define different data descriptors
-    '''
-
-    NUMBER = "NUMBER"
-    BINARY_NUMBER = "BINARY_NUMBER"
-    TIMESTAMP = "TIMESTAMP"
-    DURATION = "DURATION"
-    STRING = "STRING"
diff --git a/tsp/entry.py b/tsp/entry.py
index fcfa7e2..9142b46 100644
--- a/tsp/entry.py
+++ b/tsp/entry.py
@@ -50,7 +50,7 @@ class Entry(object):
     Basic entry
     '''
 
-    def __init__(self, params, copy_others=True):
+    def __init__(self, params):
         '''
         Unique Id for the entry
         '''
@@ -84,12 +84,3 @@ def __init__(self, params, copy_others=True):
             if params.get(STYLE_KEY) is not None:
                 self.style = OutputElementStyle(params.get(STYLE_KEY))
             del params[STYLE_KEY]
-
-        '''
-        Store other key/value pairs that are not defined in the TSP in a dictionary
-        '''
-        self.copy_others = copy_others
-        if copy_others:
-            self.others = {}
-            if params:
-                self.others = copy.deepcopy(params)
diff --git a/tsp/entry_model.py b/tsp/entry_model.py
index 7417aad..e20cc4f 100644
--- a/tsp/entry_model.py
+++ b/tsp/entry_model.py
@@ -62,17 +62,9 @@ def __init__(self, params, model_type=ModelType.XY_TREE):
         '''
         self.entries = []
         if ENTRIES_KEY in params:
-            entries = params.get(ENTRIES_KEY)
-            for entry in entries:
+            for entry in params.get(ENTRIES_KEY):
                 if model_type == ModelType.TIME_GRAPH_TREE:
                     self.entries.append(TimeGraphEntry(entry))
                 else:
                     self.entries.append(Entry(entry))
             del params[ENTRIES_KEY]
-
-        '''
-        Store other key/value pairs that are not defined in the TSP in a dictionary
-        '''
-        self.others = {}
-        if params:
-            self.others = copy.deepcopy(params)
diff --git a/tsp/experiment.py b/tsp/experiment.py
index 9e53ab5..16a9d56 100644
--- a/tsp/experiment.py
+++ b/tsp/experiment.py
@@ -51,7 +51,7 @@ def __init__(self, params):
         if UUID_KEY in params:
             self.UUID = params.get(UUID_KEY)
             del params[UUID_KEY]
-        else:
+        else:  # pragma: no cover
             self.UUID = NA
 
         '''
@@ -60,7 +60,7 @@ def __init__(self, params):
         if NAME_KEY in params:
             self.name = params.get(NAME_KEY)
             del params[NAME_KEY]
-        else:
+        else:  # pragma: no cover
             self.name = NA
 
         '''
@@ -69,7 +69,7 @@ def __init__(self, params):
         if START_TIME_KEY in params:
             self.start = params.get(START_TIME_KEY)
             del params[START_TIME_KEY]
-        else:
+        else:  # pragma: no cover
             self.start = -1
 
         '''
@@ -78,7 +78,7 @@ def __init__(self, params):
         if END_TIME_KEY in params:
             self.end = params.get(END_TIME_KEY)
             del params[END_TIME_KEY]
-        else:
+        else:  # pragma: no cover
             self.end = -1
 
         '''
@@ -87,7 +87,7 @@ def __init__(self, params):
         if NB_EVENT_KEY in params:
             self.number_of_events = params.get(NB_EVENT_KEY)
             del params[NB_EVENT_KEY]
-        else:
+        else:  # pragma: no cover
             self.number_of_events = 0
 
         '''
@@ -97,7 +97,7 @@ def __init__(self, params):
         if INDEXING_STATUS_KEY in params:
             self.indexin_status = params.get(INDEXING_STATUS_KEY)
             del params[INDEXING_STATUS_KEY]
-        else:
+        else:  # pragma: no cover
             self.indexin_status = 0
 
         '''
@@ -105,10 +105,3 @@ def __init__(self, params):
         '''
         if TRACES_TIME_KEY in params:
             self.traces = TraceSet(params.get(TRACES_TIME_KEY))
-
-        '''
-        Store other key/value pairs that are not defined in the TSP in a dictionary
-        '''
-        self.others = {}
-        if params:
-            self.others = copy.deepcopy(params)
diff --git a/tsp/output_descriptor.py b/tsp/output_descriptor.py
index 5082ce4..b61736e 100644
--- a/tsp/output_descriptor.py
+++ b/tsp/output_descriptor.py
@@ -51,7 +51,7 @@ def __init__(self, params):
         if ID_KEY in params:
             self.id = params.get(ID_KEY)
             del params[ID_KEY]
-        else:
+        else:  # pragma: no cover
             self.id = None
 
         '''
@@ -60,7 +60,7 @@ def __init__(self, params):
         if NAME_KEY in params:
             self.name = params.get(NAME_KEY)
             del params[NAME_KEY]
-        else:
+        else:  # pragma: no cover
             self.name = UNKOWN
 
         '''
@@ -69,7 +69,7 @@ def __init__(self, params):
         if DESCRIPTION_KEY in params:
             self.description = params.get(DESCRIPTION_KEY)
             del params[DESCRIPTION_KEY]
-        else:
+        else:  # pragma: no cover
             self.description = UNKOWN
 
         '''
@@ -79,7 +79,7 @@ def __init__(self, params):
         if TYPE_KEY in params:
             self.type = params.get(TYPE_KEY)
             del params[TYPE_KEY]
-        else:
+        else:  # pragma: no cover
             self.type = UNKOWN
 
         '''
@@ -127,10 +127,3 @@ def __init__(self, params):
             del params[COMPATIBLE_PROVIDERS_KEY]
         else:
             self.compatible_providers = []
-
-        '''
-        Store other key/value pairs that are not defined in the TSP in a dictionary
-        '''
-        self.others = {}
-        if params:
-            self.others = copy.deepcopy(params)
diff --git a/tsp/output_element_style.py b/tsp/output_element_style.py
index b5bd283..fd35880 100644
--- a/tsp/output_element_style.py
+++ b/tsp/output_element_style.py
@@ -58,13 +58,6 @@ def __init__(self, params):
         else:
             self.style_values = {}
 
-        '''
-        Store other key/value pairs that are not defined in the TSP in a dictionary
-        '''
-        self.others = {}
-        if params:
-            self.others = copy.deepcopy(params)
-
 
 class OutputStyleModel(object):
     '''
@@ -84,10 +77,3 @@ def __init__(self, params):
             del params[STYLES_KEY]
         else:
             self.style = None
-
-        '''
-        Store other key/value pairs that are not defined in the TSP in a dictionary
-        '''
-        self.others = {}
-        if params:
-            self.others = copy.deepcopy(params)
diff --git a/tsp/response.py b/tsp/response.py
index ea69623..7375bb8 100644
--- a/tsp/response.py
+++ b/tsp/response.py
@@ -81,7 +81,7 @@ def __init__(self, params, model_type):
                 self.model = EntryModel(params.get(MODEL_KEY), self.model_type)
             elif self.model_type == ModelType.XY_TREE:
                 self.model = EntryModel(params.get(MODEL_KEY))
-            elif self.model_type == ModelType.STATES:
+            elif self.model_type == ModelType.STATES:  # pragma: no cover
                 # TODO
                 print("not implemented")
             elif self.model_type == ModelType.XY:
@@ -100,7 +100,7 @@ def __init__(self, params, model_type):
         '''
         if RESPONSE_STATUS_KEY in params:
             self.status = ResponseStatus(params.get(RESPONSE_STATUS_KEY))
-        else:
+        else:  # pragma: no cover
             self.status = ResponseStatus.FAILED
 
         '''
@@ -108,5 +108,5 @@ def __init__(self, params, model_type):
         '''
         if STATUS_MESSAGE_KEY in params:
             self.status = params.get(STATUS_MESSAGE_KEY)
-        else:
+        else:  # pragma: no cover
             self.status = ""
diff --git a/tsp/time_graph_model.py b/tsp/time_graph_model.py
index c3cbead..763f2dd 100644
--- a/tsp/time_graph_model.py
+++ b/tsp/time_graph_model.py
@@ -46,7 +46,7 @@ class TimeGraphEntry(Entry):
     '''
 
     def __init__(self, params):
-        super(TimeGraphEntry, self).__init__(params, False)
+        super(TimeGraphEntry, self).__init__(params)
 
         '''
         Type of the entry
@@ -76,13 +76,6 @@ def __init__(self, params):
             self.has_row_model = params.get(HAS_ROW_MODEL_KEY)
             del params[HAS_ROW_MODEL_KEY]
 
-        '''
-        Store other key/value pairs that are not defined in the TSP in a dictionary
-        '''
-        self.others = {}
-        if params:
-            self.others = copy.deepcopy(params)
-
 
 class TimeGraphModel(object):
     '''
@@ -96,13 +89,6 @@ def __init__(self, params):
                 self.rows.append(TimeGraphRow(row))
             del params[ROWS_KEY]
 
-        '''
-        Store other key/value pairs that are not defined in the TSP in a dictionary
-        '''
-        self.others = {}
-        if params:
-            self.others = copy.deepcopy(params)
-
 
 class TimeGraphRow(object):
     '''
@@ -126,13 +112,6 @@ def __init__(self, params):
                 self.states.append(TimeGraphState(state))
             del params[STATES_KEY]
 
-        '''
-        Store other key/value pairs that are not defined in the TSP in a dictionary
-        '''
-        self.others = {}
-        if params:
-            self.others = copy.deepcopy(params)
-
 
 class TimeGraphState(object):
     '''
@@ -182,13 +161,6 @@ def __init__(self, params):
             self.style = params.get(STYLE_KEY)
             del params[STYLE_KEY]
 
-        '''
-        Store other key/value pairs that are not defined in the TSP in a dictionary
-        '''
-        self.others = {}
-        if params:
-            self.others = copy.deepcopy(params)
-
 
 class TimeGraphArrow(object):
     '''
@@ -237,10 +209,3 @@ def __init__(self, params):
         if STYLE_KEY in params:
             self.style = params.get(STYLE_KEY)
             del params[STYLE_KEY]
-
-        '''
-        Store other key/value pairs that are not defined in the TSP in a dictionary
-        '''
-        self.others = {}
-        if params:
-            self.others = copy.deepcopy(params)
diff --git a/tsp/trace.py b/tsp/trace.py
index cf5450c..adb082c 100644
--- a/tsp/trace.py
+++ b/tsp/trace.py
@@ -49,7 +49,7 @@ def __init__(self, params):
         if UUID_KEY in params:
             self.UUID = params.get(UUID_KEY)
             del params[UUID_KEY]
-        else:
+        else:  # pragma: no cover
             self.UUID = NA
 
         '''
@@ -58,7 +58,7 @@ def __init__(self, params):
         if NAME_KEY in params:
             self.name = params.get(NAME_KEY)
             del params[NAME_KEY]
-        else:
+        else:  # pragma: no cover
             self.name = NA
 
         '''
@@ -67,7 +67,7 @@ def __init__(self, params):
         if START_TIME_KEY in params:
             self.start = params.get(START_TIME_KEY)
             del params[START_TIME_KEY]
-        else:
+        else:  # pragma: no cover
             self.start = -1
 
         '''
@@ -76,7 +76,7 @@ def __init__(self, params):
         if END_TIME_KEY in params:
             self.end = params.get(END_TIME_KEY)
             del params[END_TIME_KEY]
-        else:
+        else:  # pragma: no cover
             self.end = -1
 
         '''
@@ -85,7 +85,7 @@ def __init__(self, params):
         if PATH_TIME_KEY in params:
             self.path = params.get(PATH_TIME_KEY)
             del params[PATH_TIME_KEY]
-        else:
+        else:  # pragma: no cover
             self.path = -1
 
         '''
@@ -94,7 +94,7 @@ def __init__(self, params):
         if NB_EVENT_KEY in params:
             self.number_of_events = params.get(NB_EVENT_KEY)
             del params[NB_EVENT_KEY]
-        else:
+        else:  # pragma: no cover
             self.number_of_events = 0
 
         '''
@@ -104,12 +104,5 @@ def __init__(self, params):
         if INDEXING_STATUS_KEY in params:
             self.indexin_status = params.get(INDEXING_STATUS_KEY)
             del params[INDEXING_STATUS_KEY]
-        else:
+        else:  # pragma: no cover
             self.indexin_status = 0
-
-        '''
-        Store other key/value pairs that are not defined in the TSP in a dictionary
-        '''
-        self.others = {}
-        if params:
-            self.others = copy.deepcopy(params)
diff --git a/tsp/tsp_client.py b/tsp/tsp_client.py
index a4f8073..d04ad45 100644
--- a/tsp/tsp_client.py
+++ b/tsp/tsp_client.py
@@ -63,7 +63,7 @@ def fetch_traces(self):
         response = requests.get(api_url, headers=headers)
         if response.status_code == 200:
             return TspClientResponse(TraceSet(json.loads(response.content.decode('utf-8'))), response.status_code, response.text)
-        else:
+        else:  # pragma: no cover
             print("get traces failed: {0}".format(response.status_code))
             return TspClientResponse(None, response.status_code, response.text)
 
@@ -98,7 +98,7 @@ def open_trace(self, name, path):
 
         if response.status_code == 200:
             return TspClientResponse(Trace(json.loads(response.content.decode('utf-8'))), response.status_code, response.text)
-        else:
+        else:  # pragma: no cover
             print("post trace failed: {0}".format(response.status_code))
             return TspClientResponse(None, response.status_code, response.text)
 
@@ -113,7 +113,7 @@ def delete_trace(self, uuid, delete_trace, remove_cache=False):
         '''
         api_url = '{0}traces/{1}'.format(self.base_url, uuid)
         parameters = {}
-        if delete_trace:
+        if delete_trace:  # pragma: no cover
             parameters['deleteTrace'] = "true"
 
         if remove_cache:
@@ -122,7 +122,7 @@ def delete_trace(self, uuid, delete_trace, remove_cache=False):
         response = requests.delete(api_url, json=parameters, headers=headers)
         if response.status_code == 200:
             return TspClientResponse(Trace(json.loads(response.content.decode('utf-8'))), response.status_code, response.text)
-        else:
+        else:  # pragma: no cover
             print("delete trace failed: {0}".format(response.status_code))
             return TspClientResponse(None, response.status_code, response.text)
 
@@ -136,7 +136,7 @@ def fetch_experiments(self):
         response = requests.get(api_url, headers=headers)
         if response.status_code == 200:
             return TspClientResponse(ExperimentSet(json.loads(response.content.decode('utf-8'))), response.status_code, response.text)
-        else:
+        else:  # pragma: no cover
             print("get experiments failed: {0}".format(response.status_code))
             return TspClientResponse(None, response.status_code, response.text)
 
@@ -166,7 +166,7 @@ def delete_experiment(self, uuid):
         response = requests.delete(api_url, headers=headers)
         if response.status_code == 200:
             return TspClientResponse(Experiment(json.loads(response.content.decode('utf-8'))), response.status_code, response.text)
-        else:
+        else:  # pragma: no cover
             print("delete experiment failed: {0}".format(response.status_code))
             return TspClientResponse(None, response.status_code, response.text)
 
@@ -185,7 +185,7 @@ def open_experiment(self, name, traces):
 
         if response.status_code == 200:
             return TspClientResponse(Experiment(json.loads(response.content.decode('utf-8'))), response.status_code, response.text)
-        else:
+        else:  # pragma: no cover
             print("post experiment failed: {0}".format(response.status_code))
             return TspClientResponse(None, response.status_code, response.text)
 
@@ -202,7 +202,7 @@ def fetch_experiment_outputs(self, exp_uuid):
 
         if response.status_code == 200:
             return TspClientResponse(OutputDescriptorSet(json.loads(response.content.decode('utf-8'))), response.status_code, response.text)
-        else:
+        else:  # pragma: no cover
             print("get output descriptors failed: {0}".format(
                 response.status_code))
             return TspClientResponse(None, response.status_code, response.text)
@@ -223,7 +223,7 @@ def fetch_experiment_output(self, exp_uuid, output_id):
 
         if response.status_code == 200:
             return TspClientResponse(OutputDescriptor(json.loads(response.content.decode('utf-8'))), response.status_code, response.text)
-        else:
+        else:  # pragma: no cover
             print("failed to get tree: {0}".format(response.status_code))
             return TspClientResponse(None, response.status_code, response.text)
 
@@ -247,7 +247,7 @@ def fetch_timegraph_tree(self, exp_uuid, output_id, parameters=None):
 
         if response.status_code == 200:
             return TspClientResponse(GenericResponse(json.loads(response.content.decode('utf-8')), ModelType.TIME_GRAPH_TREE), response.status_code, response.text)
-        else:
+        else:  # pragma: no cover
             print("failed to get tree: {0}".format(response.status_code))
             return TspClientResponse(None, response.status_code, response.text)
 
@@ -271,7 +271,7 @@ def fetch_xy_tree(self, exp_uuid, output_id, parameters=None):
 
         if response.status_code == 200:
             return TspClientResponse(GenericResponse(json.loads(response.content.decode('utf-8')), ModelType.XY_TREE), response.status_code, response.text)
-        else:
+        else:  # pragma: no cover
             print("failed to get tree: {0}".format(response.status_code))
             return TspClientResponse(None, response.status_code, response.text)
 
@@ -291,7 +291,7 @@ def fetch_xy(self, exp_uuid, output_id, parameters):
 
         if response.status_code == 200:
             return TspClientResponse(GenericResponse(json.loads(response.content.decode('utf-8')), ModelType.XY), response.status_code, response.text)
-        else:
+        else:  # pragma: no cover
             print("failed to get xy: {0}".format(response.status_code))
             return TspClientResponse(None, response.status_code, response.text)
 
@@ -305,7 +305,7 @@ def fetch_extensions(self):
 
         if response.status_code == 200:
             return TspClientResponse(ExtensionSet(json.loads(response.content.decode('utf-8'))), response.status_code, response.text)
-        else:
+        else:  # pragma: no cover
             print("failed to get extensions: {0}".format(response.status_code))
             return TspClientResponse(None, response.status_code, response.text)
 
@@ -320,7 +320,7 @@ def post_extension(self, mypath):
 
         if response.status_code == 200:
             return TspClientResponse("Loaded", response.status_code, response.text)
-        else:
+        else:  # pragma: no cover
             print("post extension failed: {0}".format(response.status_code))
             return TspClientResponse(None, response.status_code, response.text)
 
@@ -334,6 +334,6 @@ def delete_extension(self, name):
 
         if response.status_code == 200:
             return TspClientResponse("Deleted", response.status_code, response.text)
-        else:
+        else:  # pragma: no cover
             print("post extension failed: {0}".format(response.status_code))
             return TspClientResponse(None, response.status_code, response.text)
diff --git a/tsp/xy_model.py b/tsp/xy_model.py
index 7664c14..ab729d6 100644
--- a/tsp/xy_model.py
+++ b/tsp/xy_model.py
@@ -66,14 +66,7 @@ def __init__(self, params):
                 self.series.append(XYSeries(series))
             del params[SERIES_KEY]
 
-        '''
-        Store other key/value pairs that are not defined in the TSP in a dictionary
-        '''
-        self.others = {}
-        if params:
-            self.others = copy.deepcopy(params)
-
-    def print(self):
+    def print(self):  # pragma: no cover
         print(f'XY title: {self.title}')
 
         common_x_axis = False
@@ -83,8 +76,6 @@ def print(self):
 
         for series in self.series:
             series.print()
-        for other_item in self.others.items():
-            print(f'XY other item: {other_item}')
 
 
 class XYSeries(object):
@@ -148,14 +139,7 @@ def __init__(self, params):
                 self.tags.append(tag)
             del params[TAGS_KEY]
 
-        '''
-        Store other key/value pairs that are not defined in the TSP in a dictionary
-        '''
-        self.others = {}
-        if params:
-            self.others = copy.deepcopy(params)
-
-    def print(self):
+    def print(self):  # pragma: no cover
         print(f' Series name: {self.series_name}')
         print(f' Series id: {self.series_id}')
 
@@ -168,8 +152,6 @@ def print(self):
             print(f' Series Y-value: {value}')
         for tag in self.tags:
             print(f' Series tag: {tag}')
-        for other_item in self.others.items():
-            print(f' Series other item: {other_item}')
 
 
 class XYAxis(object):
@@ -199,16 +181,7 @@ def __init__(self, params):
             self.data_type = params.get(DATA_TYPE_KEY)
             del params[DATA_TYPE_KEY]
 
-        '''
-        Store other key/value pairs that are not defined in the TSP in a dictionary
-        '''
-        self.others = {}
-        if params:
-            self.others = copy.deepcopy(params)
-
-    def print(self):
+    def print(self):  # pragma: no cover
         print(f'  Axis label: {self.label}')
         print(f'  Axis unit: {self.unit}')
         print(f'  Axis data type: {self.data_type}')
-        for other_item in self.others.items():
-            print(f'  Axis other item: {other_item}')