diff --git a/gns3server/agent/gns3_copilot/tools_v2/config_tools_nornir.py b/gns3server/agent/gns3_copilot/tools_v2/config_tools_nornir.py
index db215c6bf..ed15f0589 100644
--- a/gns3server/agent/gns3_copilot/tools_v2/config_tools_nornir.py
+++ b/gns3server/agent/gns3_copilot/tools_v2/config_tools_nornir.py
@@ -78,7 +78,7 @@ try:
     # so we use importlib to get the actual module
     import importlib
 
-    sd = importlib.import_module("netmiko.ssh_dispatcher")
+    sd: Any = importlib.import_module("netmiko.ssh_dispatcher")
 
     # Recalculate platforms lists to include custom device types
     sd.platforms = list(sd.CLASS_MAPPER.keys())
@@ -196,7 +196,7 @@ class ExecuteMultipleDeviceConfigCommands(BaseTool):
 
         # Validate input
         device_configs_list, project_id = self._validate_tool_input(tool_input)
-        if isinstance(device_configs_list, list) and len(device_configs_list) > 0 and "error" in device_configs_list[0]:
+        if len(device_configs_list) > 0 and "error" in device_configs_list[0]:
             return device_configs_list
 
         # Filter forbidden commands and store blocked commands info
diff --git a/gns3server/agent/gns3_copilot/tools_v2/display_tools_nornir.py b/gns3server/agent/gns3_copilot/tools_v2/display_tools_nornir.py
index 8c4a5281d..a8eb41bc4 100644
--- a/gns3server/agent/gns3_copilot/tools_v2/display_tools_nornir.py
+++ b/gns3server/agent/gns3_copilot/tools_v2/display_tools_nornir.py
@@ -78,7 +78,7 @@ try:
     # so we use importlib to get the actual module
     import importlib
 
-    sd = importlib.import_module("netmiko.ssh_dispatcher")
+    sd: Any = importlib.import_module("netmiko.ssh_dispatcher")
 
     # Recalculate platforms lists to include custom device types
     sd.platforms = list(sd.CLASS_MAPPER.keys())
@@ -199,7 +199,7 @@ class ExecuteMultipleDeviceCommands(BaseTool):
 
         # Validate input
         device_configs_list, project_id = self._validate_tool_input(tool_input)
-        if isinstance(device_configs_list, list) and len(device_configs_list) > 0 and "error" in device_configs_list[0]:
+        if len(device_configs_list) > 0 and "error" in device_configs_list[0]:
             return device_configs_list
 
         # Filter forbidden commands and store blocked commands info
diff --git a/gns3server/agent/gns3_copilot/tools_v2/gns3_packet_filter.py b/gns3server/agent/gns3_copilot/tools_v2/gns3_packet_filter.py
index d94a0fc1d..be7af824f 100644
--- a/gns3server/agent/gns3_copilot/tools_v2/gns3_packet_filter.py
+++ b/gns3server/agent/gns3_copilot/tools_v2/gns3_packet_filter.py
@@ -286,7 +286,7 @@ class GNS3PacketFilterTool(BaseTool):
 
             # Check if output contains "Invalid" indicating syntax error
             if "Invalid" in result.stdout or "Invalid" in result.stderr:
-                error_lines = []
+                error_lines: list[str] = []
                 if "Invalid" in result.stderr:
                     error_lines.extend(line for line in result.stderr.split("\n") if "Invalid" in line)
                 if "Invalid" in result.stdout:
diff --git a/pyproject.toml b/pyproject.toml
index 1bb396c59..26fe5d996 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -297,9 +297,6 @@ module = [
   "gns3server.agent",  # 2
   "gns3server.agent.gns3_copilot.chat_sessions_repository",  # 8
   "gns3server.agent.gns3_copilot.gns3_client.api_handlers",  # 10
-  "gns3server.agent.gns3_copilot.tools_v2.config_tools_nornir",  # 6
-  "gns3server.agent.gns3_copilot.tools_v2.display_tools_nornir",  # 6
-  "gns3server.agent.gns3_copilot.tools_v2.gns3_packet_filter",  # 1
   "gns3server.agent.gns3_copilot.tools_v2.gns3_start_node",  # 3
   "gns3server.agent.gns3_copilot.tools_v2.gns3_stop_node",  # 3
   "gns3server.agent.gns3_copilot.tools_v2.gns3_suspend_node",  # 3