diff --git a/gso/utils/types/interfaces.py b/gso/utils/types/interfaces.py
index 80ac4a5f84a804ed1ea97f8d8fade083ce5743a7..f76cd8de373ac4eb916d67d3370193de0210db51 100644
--- a/gso/utils/types/interfaces.py
+++ b/gso/utils/types/interfaces.py
@@ -54,10 +54,10 @@ def validate_juniper_phy_interface_name(interface_name: str) -> str:
     Returns:
         The interface name if match was successful, otherwise it will throw a ValueError exception.
     """
-    pattern = re.compile(r"^(ge|et|xe)-1?[0-9]/[0-9]{1,2}/[0-9]{1,2}$")
+    pattern = re.compile(r"^(ge|et|xe)-1?\d/\d{1,2}/\d{1,2}$")
     if not bool(pattern.match(interface_name)):
         error_msg = (
-            f"Invalid interface name. The interface name should be of format: xe-1/0/0. " f"Got: {interface_name}"
+            f"Invalid interface name. The interface name should be of format: xe-1/0/0, received: {interface_name}"
         )
         raise ValueError(error_msg)
     return interface_name
@@ -113,7 +113,7 @@ def bandwidth_string_is_valid(bandwidth_string: str) -> str:
     if len(bandwidth_string) < 2:  # noqa: PLR2004 not a magic value
         raise ValueError(msg)
 
-    if bandwidth_string[-1:] not in "K" "M" "G" "T":
+    if bandwidth_string[-1:] not in set("K" "M" "G" "T"):
         raise ValueError(msg)
 
     try:
diff --git a/gso/utils/types/site_name.py b/gso/utils/types/site_name.py
index 903b3468abbe744280a77c27bb2cf7861e8a389e..48d91dba779722c3caede4205c707cc210c3ce77 100644
--- a/gso/utils/types/site_name.py
+++ b/gso/utils/types/site_name.py
@@ -11,7 +11,7 @@ def validate_site_name(site_name: str) -> str:
 
     The site name must consist of three uppercase letters, optionally followed by a single digit.
     """
-    pattern = re.compile(r"^[A-Z]{3}[0-9]?$")
+    pattern = re.compile(r"^[A-Z]{3}\d?$")
     if not pattern.match(site_name):
         msg = (
             "Enter a valid site name. It must consist of three uppercase letters (A-Z), followed by an optional single "
diff --git a/gso/workflows/edge_port/create_edge_port.py b/gso/workflows/edge_port/create_edge_port.py
index a62c7147531299f8fdad5c822fe9077278cd2397..f715e10470ede68c7993f7af58c1344c20ffe3b4 100644
--- a/gso/workflows/edge_port/create_edge_port.py
+++ b/gso/workflows/edge_port/create_edge_port.py
@@ -154,7 +154,7 @@ def initialize_subscription(
     subscription.edge_port.ga_id = ga_id
     subscription.edge_port.mac_address = mac_address
     partner_name = get_partner_by_id(partner).name
-    subscription.description = f"Edge Port {name} on {router.router_fqdn}, " f"{partner_name}, {ga_id or ""}"
+    subscription.description = f"Edge Port {name} on {router.router_fqdn}, {partner_name}, {ga_id or ""}"
     subscription.edge_port.edge_port_description = description
     for member in ae_members:
         subscription.edge_port.edge_port_ae_members.append(
diff --git a/gso/workflows/iptrunk/migrate_iptrunk.py b/gso/workflows/iptrunk/migrate_iptrunk.py
index 1282f6365b65b6edaf3c9d7c42977b57cd9b51af..83e7000c5c3376bd12934ce5d64b8ab52661fd94 100644
--- a/gso/workflows/iptrunk/migrate_iptrunk.py
+++ b/gso/workflows/iptrunk/migrate_iptrunk.py
@@ -445,7 +445,7 @@ def update_remaining_side_bfd_dry(
         "verb": "update",
         "config_object": "bfd_update",
         "dry_run": True,
-        "commit_comment": f"GSO_PROCESS_ID: {process_id} - TT_NUMBER: {tt_number} " f"- Update BFD config.",
+        "commit_comment": f"GSO_PROCESS_ID: {process_id} - TT_NUMBER: {tt_number} - Update BFD config.",
     }
 
     return {
@@ -473,7 +473,7 @@ def update_remaining_side_bfd_real(
         "verb": "update",
         "config_object": "bfd_update",
         "dry_run": False,
-        "commit_comment": f"GSO_PROCESS_ID: {process_id} - TT_NUMBER: {tt_number} " f"- Update BFD config.",
+        "commit_comment": f"GSO_PROCESS_ID: {process_id} - TT_NUMBER: {tt_number} - Update BFD config.",
     }
 
     return {
diff --git a/test/fixtures/layer_2_circuit_fixtures.py b/test/fixtures/layer_2_circuit_fixtures.py
index 2b93a37025a3ae728f68d0b869305b20b7474ff8..b8772cf44c08c58ed2fdc77a1ec5d21504b668bc 100644
--- a/test/fixtures/layer_2_circuit_fixtures.py
+++ b/test/fixtures/layer_2_circuit_fixtures.py
@@ -107,7 +107,7 @@ def layer_2_circuit_subscription_factory(faker, geant_partner, edge_port_subscri
             subscription.layer_2_circuit.bandwidth = None
             subscription.layer_2_circuit.policer_burst_rate = None
         subscription.description = description or (
-            f"{subscription.product.name} - " f"{subscription.layer_2_circuit.virtual_circuit_id}"
+            f"{subscription.product.name} - {subscription.layer_2_circuit.virtual_circuit_id}"
         )
 
         subscription = SubscriptionModel.from_other_lifecycle(subscription, SubscriptionLifecycle.ACTIVE)