diff --git a/addons/hw_drivers/tools/helpers.py b/addons/hw_drivers/tools/helpers.py
index 9b8b4600c7639..da5ba8615681f 100644
--- a/addons/hw_drivers/tools/helpers.py
+++ b/addons/hw_drivers/tools/helpers.py
@@ -19,7 +19,6 @@
 import time
 import contextlib
 import requests
-import crypt
 import secrets
 
 from odoo import _, http, service
@@ -28,6 +27,11 @@
 
 _logger = logging.getLogger(__name__)
 
+try:
+    import crypt
+except ImportError:
+    _logger.warning('Could not import library crypt')
+
 #----------------------------------------------------------
 # Helper
 #----------------------------------------------------------
diff --git a/addons/hw_posbox_homepage/controllers/main.py b/addons/hw_posbox_homepage/controllers/main.py
index af9e79acd74c4..183471b4b2c7f 100644
--- a/addons/hw_posbox_homepage/controllers/main.py
+++ b/addons/hw_posbox_homepage/controllers/main.py
@@ -254,7 +254,7 @@ def server(self):
         })
 
     # Get password
-    @http.route('/hw_posbox_homepage/password', type='json', auth='none', method=['POST'])
+    @http.route('/hw_posbox_homepage/password', type='json', auth='none', methods=['POST'])
     def view_password(self):
         return helpers.generate_password()
 
diff --git a/addons/hw_posbox_homepage/views/remote_connect.html b/addons/hw_posbox_homepage/views/remote_connect.html
index 711b0c540c885..6bc72129cee95 100644
--- a/addons/hw_posbox_homepage/views/remote_connect.html
+++ b/addons/hw_posbox_homepage/views/remote_connect.html
@@ -48,7 +48,7 @@ <h2 class="text-center">Remote Debugging</h2>
         you trust.
     </p>
     <div class='text-center'>
-        <input type="text" placeholder="pi user password" disabled>
+        <input class="password" type="text" placeholder="pi user password" disabled>
         <a class="btn view-password" style="margin: 18px auto;"href="#">Generate password</a><br/>
         <input type="text" id="auth_token" size="42" placeholder="Authentication Token"/> <br/>
         <a class="btn" style="margin: 18px auto;" id="enable_debug" href="#">Enable Remote Debugging</a>
diff --git a/addons/point_of_sale/tools/posbox/overwrite_after_init/usr/local/lib/python3.7/dist-packages/v4l2.py.iotpatch b/addons/point_of_sale/tools/posbox/overwrite_after_init/usr/local/lib/python3.9/dist-packages/v4l2.py.iotpatch
similarity index 100%
rename from addons/point_of_sale/tools/posbox/overwrite_after_init/usr/local/lib/python3.7/dist-packages/v4l2.py.iotpatch
rename to addons/point_of_sale/tools/posbox/overwrite_after_init/usr/local/lib/python3.9/dist-packages/v4l2.py.iotpatch