diff --git a/src/backend/InvenTree/InvenTree/tracing.py b/src/backend/InvenTree/InvenTree/tracing.py
index 3d3eda28a3..dd90a330dd 100644
--- a/src/backend/InvenTree/InvenTree/tracing.py
+++ b/src/backend/InvenTree/InvenTree/tracing.py
@@ -22,9 +22,6 @@ from opentelemetry.sdk.trace.export import BatchSpanProcessor, ConsoleSpanExport
 import InvenTree.ready
 from InvenTree.version import inventreeVersion
 
-# Logger configuration
-logger = logging.getLogger('inventree')
-
 
 def setup_tracing(
     endpoint: str,
@@ -46,6 +43,9 @@ def setup_tracing(
     if InvenTree.ready.isImportingData() or InvenTree.ready.isRunningMigrations():
         return
 
+    # Logger configuration
+    logger = logging.getLogger('inventree')
+
     if resources_input is None:
         resources_input = {}
     if auth is None:
diff --git a/src/backend/InvenTree/InvenTree/unit_test.py b/src/backend/InvenTree/InvenTree/unit_test.py
index 94af1325c4..3f64fe1d9c 100644
--- a/src/backend/InvenTree/InvenTree/unit_test.py
+++ b/src/backend/InvenTree/InvenTree/unit_test.py
@@ -84,6 +84,9 @@ def getNewestMigrationFile(app, exclude_extension=True):
             newest_num = num
             newest_file = f
 
+    if not newest_file:  # pragma: no cover
+        return newest_file
+
     if exclude_extension:
         newest_file = newest_file.replace('.py', '')
 
diff --git a/src/backend/InvenTree/common/forms.py b/src/backend/InvenTree/common/forms.py
index b991eec06b..4800149013 100644
--- a/src/backend/InvenTree/common/forms.py
+++ b/src/backend/InvenTree/common/forms.py
@@ -51,6 +51,9 @@ class MatchFieldForm(forms.Form):
 
         super().__init__(*args, **kwargs)
 
+        if not file_manager:  # pragma: no cover
+            return
+
         # Setup FileManager
         file_manager.setup()
         # Get columns
@@ -87,6 +90,9 @@ class MatchItemForm(forms.Form):
 
         super().__init__(*args, **kwargs)
 
+        if not file_manager:  # pragma: no cover
+            return
+
         # Setup FileManager
         file_manager.setup()
 
diff --git a/src/backend/InvenTree/stock/models.py b/src/backend/InvenTree/stock/models.py
index 6008f8cf59..3a65f2c2f6 100644
--- a/src/backend/InvenTree/stock/models.py
+++ b/src/backend/InvenTree/stock/models.py
@@ -714,8 +714,6 @@ class StockItem(
                     self.delete_on_deplete = False
 
         except PartModels.Part.DoesNotExist:
-            # This gets thrown if self.supplier_part is null
-            # TODO - Find a test than can be performed...
             pass
 
         # Ensure that the item cannot be assigned to itself
@@ -1109,7 +1107,11 @@ class StockItem(
 
         item.add_tracking_entry(code, user, deltas, notes=notes)
 
-        trigger_event('stockitem.assignedtocustomer', id=self.id, customer=customer.id)
+        trigger_event(
+            'stockitem.assignedtocustomer',
+            id=self.id,
+            customer=customer.id if customer else None,
+        )
 
         # Return the reference to the stock item
         return item
@@ -1773,7 +1775,7 @@ class StockItem(
                     price = convert_money(price, base_currency)
                     total_price += price * qty
                     quantity += qty
-                except:
+                except Exception:
                     # Skip this entry, cannot convert to base currency
                     continue
 
diff --git a/src/backend/InvenTree/templates/js/dynamic/nav.js b/src/backend/InvenTree/templates/js/dynamic/nav.js
index f207bf110d..188e7be98b 100644
--- a/src/backend/InvenTree/templates/js/dynamic/nav.js
+++ b/src/backend/InvenTree/templates/js/dynamic/nav.js
@@ -1,4 +1,5 @@
 /* globals
+    inventreeGet,
 */
 
 /* exported
@@ -25,8 +26,8 @@ function activatePanel(label, panel_name, options={}) {
     panel_name = panel_name.replace('/', '');
 
     // Find the target panel
-    var panel = `#panel-${panel_name}`;
-    var select = `#select-${panel_name}`;
+    let panel = `#panel-${panel_name}`;
+    let select = `#select-${panel_name}`;
 
     // Check that the selected panel (and select) exist
     if ($(panel).exists() && $(panel).length && $(select).length) {
@@ -37,7 +38,7 @@ function activatePanel(label, panel_name, options={}) {
         panel_name = null;
 
         $('.sidebar-selector').each(function() {
-            var name = $(this).attr('id').replace('select-', '');
+            const name = $(this).attr('id').replace('select-', '');
 
             if ($(`#panel-${name}`).length && (panel_name == null)) {
                 panel_name = name;
@@ -64,7 +65,7 @@ function activatePanel(label, panel_name, options={}) {
     $('.list-group-item').removeClass('active');
 
     // Find the associated selector
-    var selector = `#select-${panel_name}`;
+    const selector = `#select-${panel_name}`;
 
     $(selector).addClass('active');
 }
@@ -75,7 +76,7 @@ function onPanelLoad(panel, callback) {
     // Used to implement lazy-loading, rather than firing
     // multiple AJAX queries when the page is first loaded.
 
-    var panelId = `#panel-${panel}`;
+    const panelId = `#panel-${panel}`;
 
     $(panelId).on('fadeInStarted', function() {
 
@@ -96,10 +97,10 @@ function enableSidebar(label, options={}) {
 
     // Enable callbacks for sidebar buttons
     $('.sidebar-selector').click(function() {
-        var el = $(this);
+        const el = $(this);
 
         // Find the matching panel element to display
-        var panel_name = el.attr('id').replace('select-', '');
+        const panel_name = el.attr('id').replace('select-', '');
 
         activatePanel(label, panel_name, options);
     });
@@ -111,16 +112,16 @@ function enableSidebar(label, options={}) {
      * - Third preference = default
      */
 
-    var selected_panel = $.urlParam('display') || localStorage.getItem(`inventree-selected-panel-${label}`) || options.default;
+    const selected_panel = $.urlParam('display') || localStorage.getItem(`inventree-selected-panel-${label}`) || options.default;
 
     if (selected_panel) {
         activatePanel(label, selected_panel);
     } else {
         // Find the "first" available panel (according to the sidebar)
-        var selector = $('.sidebar-selector').first();
+        const selector = $('.sidebar-selector').first();
 
         if (selector.exists()) {
-            var panel_name = selector.attr('id').replace('select-', '');
+            const panel_name = selector.attr('id').replace('select-', '');
             activatePanel(label, panel_name);
         }
     }
@@ -133,7 +134,7 @@ function enableSidebar(label, options={}) {
             // Add callback to "collapse" and "expand" the sidebar
 
             // By default, the menu is "expanded"
-            var state = localStorage.getItem(`inventree-menu-state-${label}`) || 'expanded';
+            const state = localStorage.getItem(`inventree-menu-state-${label}`) || 'expanded';
 
             // We wish to "toggle" the state!
             setSidebarState(label, state == 'expanded' ? 'collapsed' : 'expanded');
@@ -141,7 +142,7 @@ function enableSidebar(label, options={}) {
     }
 
     // Set the initial state (default = expanded)
-    var state = localStorage.getItem(`inventree-menu-state-${label}`) || 'expanded';
+    const state = localStorage.getItem(`inventree-menu-state-${label}`) || 'expanded';
 
     setSidebarState(label, state);
 
@@ -161,10 +162,8 @@ function enableSidebar(label, options={}) {
 function generateTreeStructure(data, options) {
     const nodes = {};
     const roots = [];
-    let node = null;
 
-    for (var i = 0; i < data.length; i++) {
-        node = data[i];
+    for (let node of data) {
         nodes[node.pk] = node;
         node.selectable = false;
 
@@ -178,9 +177,7 @@ function generateTreeStructure(data, options) {
         }
     }
 
-    for (var i = 0; i < data.length; i++) {
-        node = data[i];
-
+    for (let node of data) {
         if (node.parent != null) {
             if (nodes[node.parent].nodes) {
                 nodes[node.parent].nodes.push(node);
@@ -208,14 +205,14 @@ function generateTreeStructure(data, options) {
  */
 function enableBreadcrumbTree(options) {
 
-    var label = options.label;
+    const label = options.label;
 
     if (!label) {
         console.error('enableBreadcrumbTree called without supplying label');
         return;
     }
 
-    var filters = options.filters || {};
+    const filters = options.filters || {};
 
     inventreeGet(
         options.url,
@@ -283,7 +280,7 @@ function setSidebarState(label, state) {
  */
 function addSidebarItem(options={}) {
 
-    var html = `
+    const html = `
     <a href='#' id='select-${options.label}' title='${options.text}' class='list-group-item sidebar-list-group-item border-end d-inline-block text-truncate sidebar-selector' data-bs-parent='#sidebar'>
         <i class='bi bi-bootstrap'></i>
         ${options.content_before || ''}
@@ -302,7 +299,7 @@ function addSidebarItem(options={}) {
  */
 function addSidebarHeader(options={}) {
 
-    var html = `
+    const html = `
     <span title='${options.text}' class="list-group-item sidebar-list-group-item border-end d-inline-block text-truncate" data-bs-parent="#sidebar">
         <h6>
             <i class="bi bi-bootstrap"></i>
diff --git a/src/backend/InvenTree/templates/js/dynamic/permissions.js b/src/backend/InvenTree/templates/js/dynamic/permissions.js
index 34881a8dcf..309ebe529b 100644
--- a/src/backend/InvenTree/templates/js/dynamic/permissions.js
+++ b/src/backend/InvenTree/templates/js/dynamic/permissions.js
@@ -7,7 +7,7 @@
 */
 
 // Keep track of the current user permissions
-var user_roles = null;
+let user_roles = null;
 
 
 /*
diff --git a/src/frontend/src/components/buttons/CopyButton.tsx b/src/frontend/src/components/buttons/CopyButton.tsx
index bf51eebd0b..3ac02e5da2 100644
--- a/src/frontend/src/components/buttons/CopyButton.tsx
+++ b/src/frontend/src/components/buttons/CopyButton.tsx
@@ -20,8 +20,12 @@ export function CopyButton({
           size="compact-md"
         >
           <IconCopy size={10} />
-          {label && <div>&nbsp;</div>}
-          {label && label}
+          {label && (
+            <>
+              <div>&nbsp;</div>
+              {label}
+            </>
+          )}
         </Button>
       )}
     </MantineCopyButton>
diff --git a/src/frontend/src/tables/settings/GroupTable.tsx b/src/frontend/src/tables/settings/GroupTable.tsx
index 7ffa794415..bbbd05a3c3 100644
--- a/src/frontend/src/tables/settings/GroupTable.tsx
+++ b/src/frontend/src/tables/settings/GroupTable.tsx
@@ -112,7 +112,8 @@ export function GroupTable() {
       }),
       RowDeleteAction({
         onClick: () => {
-          setSelectedGroup(record.pk), deleteGroup.open();
+          setSelectedGroup(record.pk);
+          deleteGroup.open();
         }
       })
     ];