diff --git a/frappe/core/doctype/comment/comment.py b/frappe/core/doctype/comment/comment.py
index e32704aba4..62e4aefe0d 100644
--- a/frappe/core/doctype/comment/comment.py
+++ b/frappe/core/doctype/comment/comment.py
@@ -9,8 +9,7 @@ import json
 from frappe.model.document import Document
 from frappe.core.doctype.user.user import extract_mentions
 from frappe.core.doctype.notification_log.notification_log import create_notification_log
-from frappe.core.doctype.notification_settings.notification_settings import (is_notifications_enabled,
-	is_email_notifications_enabled)
+from frappe.core.doctype.notification_settings.notification_settings import is_email_notifications_enabled
 from frappe.utils import get_fullname, get_link_to_form
 from frappe.website.render import clear_cache
 from frappe.database.schema import add_column
diff --git a/frappe/core/doctype/communication/communication.py b/frappe/core/doctype/communication/communication.py
index 5f091c8730..78e63ed1cd 100644
--- a/frappe/core/doctype/communication/communication.py
+++ b/frappe/core/doctype/communication/communication.py
@@ -9,8 +9,6 @@ from frappe.utils import validate_email_address, get_fullname, strip_html, cstr
 from frappe.core.doctype.communication.email import (validate_email,
 	notify, _notify, update_parent_mins_to_first_response)
 from frappe.core.doctype.notification_log.notification_log import create_notification_log
-from frappe.core.doctype.notification_settings.notification_settings import (is_notifications_enabled,
-	is_email_notifications_enabled, is_energy_point_notifications_enabled)
 from frappe.core.utils import get_parent_doc
 from frappe.utils.bot import BotReply
 from frappe.utils import parse_addr
diff --git a/frappe/core/doctype/notification_log/notification_log.py b/frappe/core/doctype/notification_log/notification_log.py
index f924c8403d..fa39c6cbfa 100644
--- a/frappe/core/doctype/notification_log/notification_log.py
+++ b/frappe/core/doctype/notification_log/notification_log.py
@@ -6,7 +6,7 @@ from __future__ import unicode_literals
 import frappe
 from frappe.model.document import Document
 from frappe.core.doctype.notification_settings.notification_settings import (is_notifications_enabled,
-	is_email_notifications_enabled, is_energy_point_notifications_enabled)
+	is_energy_point_notifications_enabled)
 
 class NotificationLog(Document):
 
diff --git a/frappe/core/doctype/notification_settings/notification_settings.py b/frappe/core/doctype/notification_settings/notification_settings.py
index 4d856ec341..6f9a034200 100644
--- a/frappe/core/doctype/notification_settings/notification_settings.py
+++ b/frappe/core/doctype/notification_settings/notification_settings.py
@@ -43,7 +43,7 @@ def get_subscribed_documents():
 		name = settings[0].name
 		doc = frappe.get_doc('Notification Settings', name)
 		subscribed_documents = [item.document for item in doc.subscribed_documents]
-	
+
 	return subscribed_documents
 
 
diff --git a/frappe/desk/notifications.py b/frappe/desk/notifications.py
index cbebd6bbd6..17c2985192 100644
--- a/frappe/desk/notifications.py
+++ b/frappe/desk/notifications.py
@@ -4,9 +4,8 @@
 from __future__ import unicode_literals
 
 import frappe
-from frappe.utils import time_diff_in_seconds, now, now_datetime, DATETIME_FORMAT
+from frappe.utils import time_diff_in_seconds, now
 from frappe.core.doctype.notification_settings.notification_settings import get_subscribed_documents
-from dateutil.relativedelta import relativedelta
 from six import string_types
 import json
 
diff --git a/frappe/public/js/frappe/ui/notifications/notifications.js b/frappe/public/js/frappe/ui/notifications/notifications.js
index a643c7a53f..412013cba5 100644
--- a/frappe/public/js/frappe/ui/notifications/notifications.js
+++ b/frappe/public/js/frappe/ui/notifications/notifications.js
@@ -93,7 +93,7 @@ frappe.ui.Notifications = class Notifications {
 		this.$open_docs.html('');
 		let defaults = ['ToDo'];
 		this.get_counts(this.open_document_list['open_count_doctype'], 1, defaults);
-		let targets = { doctypes : {} }, map = this.open_document_list['targets'];
+		let targets = { doctypes: {} }, map = this.open_document_list['targets'];
 
 		Object.keys(map).map(doctype => {
 			Object.keys(map[doctype]).map(doc => {
@@ -286,7 +286,7 @@ frappe.ui.Notifications = class Notifications {
 			if (category_id !== 'notifications') {
 				html += `<div class="text-center text-muted notifications-loading">
 					${__("Loading...")}
-				</div>`
+				</div>`;
 			}
 			html += `</div></li>`;
 			return html;
@@ -325,15 +325,15 @@ frappe.ui.Notifications = class Notifications {
 			}
 		});
 
-		this.$dropdown_list.on('click', '.recent-item', (e) => {
+		this.$dropdown_list.on('click', '.recent-item', () => {
 			this.$dropdown.removeClass('open');
 		});
 
-		this.$dropdown.find('.header').on('click', function(e) {
+		this.$dropdown.find('.header').on('click', function() {
 			let hide = $(this).next().hasClass("in");
 			$(this).find('.collapse-indicator').toggleClass("octicon-chevron-down", hide);
 			$(this).find('.collapse-indicator').toggleClass("octicon-chevron-up", !hide);
 		});
 	}
 
-}
+};
diff --git a/frappe/social/doctype/energy_point_log/energy_point_log.py b/frappe/social/doctype/energy_point_log/energy_point_log.py
index 513eaecfd4..20d79a0dd1 100644
--- a/frappe/social/doctype/energy_point_log/energy_point_log.py
+++ b/frappe/social/doctype/energy_point_log/energy_point_log.py
@@ -8,8 +8,7 @@ from frappe import _
 import json
 from frappe.model.document import Document
 from frappe.core.doctype.notification_log.notification_log import create_notification_log
-from frappe.core.doctype.notification_settings.notification_settings import (is_notifications_enabled,
-	is_email_notifications_enabled, is_energy_point_notifications_enabled)
+from frappe.core.doctype.notification_settings.notification_settings import is_email_notifications_enabled
 from frappe.utils import cint, get_fullname, getdate, get_link_to_form
 
 class EnergyPointLog(Document):