diff --git a/install-sdist-to-test.py b/install-sdist-to-test.py
index 056f34cce4e2460981150a7665413f23cd130cee..e4a58b91298c55fe7704d7a55f79aa59eb618dca 100644
--- a/install-sdist-to-test.py
+++ b/install-sdist-to-test.py
@@ -34,7 +34,7 @@ def _install_proc(hostname, username, password, sdist):
         f'sudo su - -c \'{pip} uninstall -y inventory\'',
         f'sudo su - -c \'{pip} install {scp_destination}\'',
         f'rm {scp_destination}',
-        f'chown -R inventory.inventory /home/inventory/venv',
+        'chown -R inventory.inventory /home/inventory/venv',
         'exit'
     ]
     stdin.write('\n'.join(commands) + '\n')
diff --git a/inventory_provider/routes/msr.py b/inventory_provider/routes/msr.py
index 0420367de3ace02f63bf4bacec4c3c854e97fce0..3327e61071242ebe53241a9205380122150cf62d 100644
--- a/inventory_provider/routes/msr.py
+++ b/inventory_provider/routes/msr.py
@@ -54,7 +54,11 @@ LOGICAL_SYSTEM_PEERING_LIST_SCHEMA = {
             },
             # only vrr peerings have remote-asn
             "required": [
-                "address", "description", "logical-system", "group", "hostname"],
+                "address",
+                "description",
+                "logical-system",
+                "group",
+                "hostname"],
             "additionalProperties": False
         }
     },
@@ -133,7 +137,7 @@ def logical_system_peerings(name=None):
 
     def _get_all_ls_keys():
         keys = []
-        for k in r.scan_iter(f'juniper-peerings:logical-system:*', count=1000):
+        for k in r.scan_iter('juniper-peerings:logical-system:*', count=1000):
             keys.append(k.decode('utf-8'))
         return keys