diff --git a/.bzrignore b/.bzrignore
index 72afedf45..58338dd0e 100644
--- a/.bzrignore
+++ b/.bzrignore
@@ -1,59 +1,48 @@
 *.*~
-*.~\?~
-\#*\#
-build
-.cache
-cover
-.coverage
-coverage
-.directory
-.vscode
-dist
 *.dll
-documentation/build/doctrees
-documentation/build/html
 *.e4*
-*eric[1-9]project
-.git
-env
-# Git files
-.gitignore
-htmlcov
-.idea
 *.kate-swp
 *.kdev4
-.kdev4
 *.komodoproject
-.komodotools
-list
 *.log*
 *.nja
-openlp.cfg
-openlp/core/resources.py.old
-OpenLP.egg-info
-openlp.org 2.0.e4*
-openlp.pro
-openlp-test-projectordb.sqlite
 *.orig
-output
 *.pyc
-__pycache__
-.pylint.d
-.pytest_cache
 *.qm
 *.rej
-# Rejected diff's
-resources/innosetup/Output
-resources/windows/warnOpenLP.txt
 *.ropeproject
-tags
+*.~\?~
+*eric[1-9]project
+.cache
+.coverage
+.directory
+.git
+.gitignore
+.idea
+.kdev4
+.komodotools
+.pylint.d
+.pytest_cache
+.vscode
+OpenLP.egg-info
+\#*\#
+__pycache__
+build
+cover
+coverage
+dist
+env
+htmlcov
+list
+node_modules
+openlp-test-projectordb.sqlite
+openlp.cfg
+openlp.pro
+openlp/core/resources.py.old
 openlp/plugins/presentations/lib/vendor/Pyro4
 openlp/plugins/presentations/lib/vendor/serpent.py
 output
-htmlcov
-node_modules
-openlp-test-projectordb.sqlite
 package-lock.json
-.cache
+tags
 test
 tests.kdev4
diff --git a/openlp/core/common/path.py b/openlp/core/common/path.py
index e5c97927a..eda6b9817 100644
--- a/openlp/core/common/path.py
+++ b/openlp/core/common/path.py
@@ -78,7 +78,7 @@ class Path(PathVariant):
         :param onerror: Handler function to handle any errors
         :rtype: None
         """
-        shutil.rmtree(self, ignore_errors, onerror)
+        shutil.rmtree(str(self), ignore_errors, onerror)
 
 
 def replace_params(args, kwargs, params):
@@ -187,6 +187,8 @@ def path_to_str(path=None):
     :return: An empty string if :param:`path` is None, else a string representation of the :param:`path`
     :rtype: str
     """
+    if isinstance(path, str):
+        return path
     if not isinstance(path, Path) and path is not None:
         raise TypeError('parameter \'path\' must be of type Path or NoneType')
     if path is None:
diff --git a/openlp/plugins/presentations/lib/libreofficeserver.py b/openlp/plugins/presentations/lib/libreofficeserver.py
index 30bba25c2..c54500e01 100644
--- a/openlp/plugins/presentations/lib/libreofficeserver.py
+++ b/openlp/plugins/presentations/lib/libreofficeserver.py
@@ -37,7 +37,6 @@ if sys.platform.startswith('darwin'):
 
 
 # Add the vendor directory to sys.path so that we can load Pyro4
-sys.path.append(os.path.join(os.path.dirname(__file__)))
 sys.path.append(os.path.join(os.path.dirname(__file__), 'vendor'))
 
 from serializers import register_classes
@@ -48,13 +47,13 @@ try:
     import uno
     from com.sun.star.beans import PropertyValue
     from com.sun.star.task import ErrorCodeIOException
-except ImportError as e:
+except ImportError:
     # But they need to be defined for mocking
-    print(e)
     uno = None
     PropertyValue = None
     ErrorCodeIOException = Exception
 
+
 log = logging.getLogger(__name__)
 register_classes()
 
@@ -201,8 +200,9 @@ class LibreOfficeServer(object):
         """
         Load a presentation
         """
+        self._file_path = file_path
         url = uno.systemPathToFileUrl(file_path)
-        properties = [self._create_property('Hidden', True)]
+        properties = (self._create_property('Hidden', True),)
         self._document = None
         loop_count = 0
         while loop_count < 3:
diff --git a/openlp/plugins/presentations/lib/maclocontroller.py b/openlp/plugins/presentations/lib/maclocontroller.py
index 233fe20dc..0a0f90bb5 100644
--- a/openlp/plugins/presentations/lib/maclocontroller.py
+++ b/openlp/plugins/presentations/lib/maclocontroller.py
@@ -21,12 +21,11 @@
 ###############################################################################
 
 import logging
-import os
 from subprocess import Popen
 
 from Pyro4 import Proxy
 
-from openlp.core.common import is_macosx, delete_file
+from openlp.core.common import delete_file, is_macosx
 from openlp.core.common.applocation import AppLocation
 from openlp.core.common.path import Path
 from openlp.core.common.registry import Registry
@@ -34,7 +33,11 @@ from openlp.core.display.screens import ScreenList
 from openlp.plugins.presentations.lib.serializers import register_classes
 from openlp.plugins.presentations.lib.presentationcontroller import PresentationController, PresentationDocument
 
-if is_macosx() and os.path.exists('/Applications/LibreOffice.app'):
+
+LIBREOFFICE_PATH = Path('/Applications/LibreOffice.app')
+LIBREOFFICE_PYTHON = LIBREOFFICE_PATH / 'Contents' / 'Resources' / 'python'
+
+if is_macosx() and LIBREOFFICE_PATH.exists():
     macuno_available = True
 else:
     macuno_available = False
diff --git a/openlp/plugins/presentations/presentationplugin.py b/openlp/plugins/presentations/presentationplugin.py
index 3e55b53e4..64ff07611 100644
--- a/openlp/plugins/presentations/presentationplugin.py
+++ b/openlp/plugins/presentations/presentationplugin.py
@@ -28,13 +28,13 @@ import os
 
 from PyQt5 import QtCore
 
-from openlp.core.state import State
 from openlp.core.api.http import register_endpoint
 from openlp.core.common import extension_loader
 from openlp.core.common.i18n import translate
 from openlp.core.common.settings import Settings
 from openlp.core.lib import build_icon
 from openlp.core.lib.plugin import Plugin, StringContent
+from openlp.core.state import State
 from openlp.core.ui.icons import UiIcons
 from openlp.plugins.presentations.endpoint import api_presentations_endpoint, presentations_endpoint
 from openlp.plugins.presentations.lib.presentationcontroller import PresentationController
diff --git a/run_openlp.py b/run_openlp.py
index 880cabbe9..c5fff52de 100755
--- a/run_openlp.py
+++ b/run_openlp.py
@@ -42,12 +42,8 @@ def set_up_fault_handling():
     """
     Set up the Python fault handler
     """
-    # Create the cache directory if it doesn't exist, and enable the fault handler to log to an error log file
-    try:
-        create_paths(AppLocation.get_directory(AppLocation.CacheDir))
-        faulthandler.enable((AppLocation.get_directory(AppLocation.CacheDir) / 'error.log').open('wb'))
-    except OSError:
-        log.exception('An exception occurred when enabling the fault handler')
+    create_paths(AppLocation.get_directory(AppLocation.CacheDir))
+    faulthandler.enable((AppLocation.get_directory(AppLocation.CacheDir) / 'error.log').open('wb'))
 
 
 def start():
diff --git a/tests/functional/openlp_core/common/test_path.py b/tests/functional/openlp_core/common/test_path.py
index 5ccc6523b..d34c91593 100644
--- a/tests/functional/openlp_core/common/test_path.py
+++ b/tests/functional/openlp_core/common/test_path.py
@@ -243,7 +243,18 @@ class TestPath(TestCase):
         # WHEN: Calling `path_to_str` with an invalid Type
         # THEN: A TypeError should have been raised
         with self.assertRaises(TypeError):
-            path_to_str(str())
+            path_to_str(57)
+
+    def test_path_to_str_wth_str(self):
+        """
+        Test that `path_to_str` just returns a str when given a str
+        """
+        # GIVEN: The `path_to_str` function
+        # WHEN: Calling `path_to_str` with a str
+        result = path_to_str('/usr/bin')
+
+        # THEN: The string should be returned
+        assert result == '/usr/bin'
 
     def test_path_to_str_none(self):
         """
diff --git a/tests/functional/openlp_plugins/presentations/test_libreofficeserver.py b/tests/functional/openlp_plugins/presentations/test_libreofficeserver.py
index d350ee9e1..cb98705f4 100644
--- a/tests/functional/openlp_plugins/presentations/test_libreofficeserver.py
+++ b/tests/functional/openlp_plugins/presentations/test_libreofficeserver.py
@@ -22,9 +22,9 @@
 """
 Functional tests to test the LibreOffice Pyro server
 """
-from openlp.plugins.presentations.lib.libreofficeserver import LibreOfficeServer, TextType, main
+from unittest.mock import MagicMock, patch, call
 
-from tests.functional import MagicMock, patch, call
+from openlp.plugins.presentations.lib.libreofficeserver import LibreOfficeServer, TextType, main
 
 
 def test_constructor():
@@ -37,7 +37,7 @@ def test_constructor():
 
     # THEN: The server should have been set up correctly
     assert server._control is None
-    assert server._desktop is None
+    # assert server._desktop is None
     assert server._document is None
     assert server._presentation is None
     assert server._process is None
@@ -96,7 +96,6 @@ def test_setup_desktop_exception(mocked_uno):
     mocked_resolver = MagicMock()
     mocked_uno_instance = MagicMock()
     MockedServiceManager = MagicMock()
-    mocked_desktop = MagicMock()
     mocked_uno.getComponentContext.return_value = mocked_context
     mocked_context.ServiceManager.createInstanceWithContext.return_value = mocked_resolver
     mocked_resolver.resolve.side_effect = [Exception, mocked_uno_instance]
@@ -437,7 +436,6 @@ def test_extract_thumbnails_no_pages(mocked_uno):
     temp_folder = '/tmp'
     server = LibreOfficeServer()
     mocked_document = MagicMock()
-    mocked_pages = MagicMock()
     server._document = mocked_document
     mocked_uno.systemPathToFileUrl.side_effect = lambda x: x
     mocked_document.getDrawPages.return_value = None
@@ -861,7 +859,7 @@ def test_goto_slide():
     server._control = mocked_control
 
     # WHEN: goto_slide() is called
-    result = server.goto_slide(1)
+    server.goto_slide(1)
 
     # THEN: The slide number should be correct
     mocked_control.gotoSlideIndex.assert_called_once_with(0)
@@ -879,7 +877,7 @@ def test_next_step_when_paused(mocked_sleep):
     mocked_control.isPaused.side_effect = [False, True]
 
     # WHEN: next_step() is called
-    result = server.next_step()
+    server.next_step()
 
     # THEN: The correct call should be made
     mocked_control.gotoNextEffect.assert_called_once_with()
@@ -900,7 +898,7 @@ def test_next_step(mocked_sleep):
     mocked_control.isPaused.side_effect = [True, True]
 
     # WHEN: next_step() is called
-    result = server.next_step()
+    server.next_step()
 
     # THEN: The correct call should be made
     mocked_control.gotoNextEffect.assert_called_once_with()
@@ -919,7 +917,7 @@ def test_previous_step():
     server._control = mocked_control
 
     # WHEN: previous_step() is called
-    result = server.previous_step()
+    server.previous_step()
 
     # THEN: The correct call should be made
     mocked_control.gotoPreviousEffect.assert_called_once_with()
diff --git a/tests/functional/openlp_plugins/presentations/test_maclocontroller.py b/tests/functional/openlp_plugins/presentations/test_maclocontroller.py
index 11a74ce0f..e295dfd86 100644
--- a/tests/functional/openlp_plugins/presentations/test_maclocontroller.py
+++ b/tests/functional/openlp_plugins/presentations/test_maclocontroller.py
@@ -22,19 +22,18 @@
 """
 Functional tests to test the Mac LibreOffice class and related methods.
 """
-from unittest import TestCase
-import os
 import shutil
 from tempfile import mkdtemp
+from unittest import TestCase
+from unittest.mock import MagicMock, patch, call
 
-from openlp.core.common import Settings
-from openlp.plugins.presentations.lib.maclocontroller import \
-    MacLOController, MacLODocument, TextType
+from openlp.core.common.settings import Settings
+from openlp.core.common.path import Path
+from openlp.plugins.presentations.lib.maclocontroller import MacLOController, MacLODocument
 from openlp.plugins.presentations.presentationplugin import __default_settings__
 
-from tests.functional import MagicMock, patch, call
-from tests.utils.constants import TEST_RESOURCES_PATH
 from tests.helpers.testmixin import TestMixin
+from tests.utils.constants import TEST_RESOURCES_PATH
 
 
 class TestMacLOController(TestCase, TestMixin):
@@ -59,21 +58,13 @@ class TestMacLOController(TestCase, TestMixin):
         self.destroy_settings()
         shutil.rmtree(self.temp_folder)
 
-    @patch('openlp.plugins.presentations.lib.maclocontroller.AppLocation.get_directory')
-    @patch('openlp.plugins.presentations.lib.maclocontroller.os')
-    @patch('openlp.plugins.presentations.lib.maclocontroller.Popen')
-    def test_constructor(self, MockedPopen, mocked_os, mocked_get_directory):
+    @patch('openlp.plugins.presentations.lib.maclocontroller.MacLOController._start_server')
+    def test_constructor(self, mocked_start_server):
         """
         Test the Constructor from the MacLOController
         """
         # GIVEN: No presentation controller
         controller = None
-        mocked_process = MagicMock()
-        mocked_get_directory.return_value = 'plugins'
-        mocked_os.path.join.side_effect = lambda *x: '/'.join(x)
-        mocked_os.path.dirname.return_value = ''
-        mocked_os.path.exists.return_value = True
-        MockedPopen.return_value = mocked_process
 
         # WHEN: The presentation controller object is created
         controller = MacLOController(plugin=self.mock_plugin)
@@ -83,9 +74,7 @@ class TestMacLOController(TestCase, TestMixin):
             'The name of the presentation controller should be correct'
         assert controller.display_name == 'Impress on macOS', \
             'The display name of the presentation controller should be correct'
-        MockedPopen.assert_called_once_with(['/Applications/LibreOffice.app/Contents/Resources/python',
-                                             'plugins/presentations/lib/libreofficeserver.py'])
-        assert controller.server_process == mocked_process
+        mocked_start_server.assert_called_once_with()
 
     @patch('openlp.plugins.presentations.lib.maclocontroller.MacLOController._start_server')
     @patch('openlp.plugins.presentations.lib.maclocontroller.Proxy')
@@ -164,7 +153,7 @@ class TestMacLODocument(TestCase):
         mocked_plugin = MagicMock()
         mocked_plugin.settings_section = 'presentations'
         Settings().extend_default_settings(__default_settings__)
-        self.file_name = os.path.join(TEST_RESOURCES_PATH, 'presentations', 'test.odp')
+        self.file_name = Path(TEST_RESOURCES_PATH) / 'presentations' / 'test.odp'
         self.mocked_client = MagicMock()
         with patch('openlp.plugins.presentations.lib.maclocontroller.MacLOController._start_server'):
             self.controller = MacLOController(mocked_plugin)