diff --git a/core/networking.py b/core/networking.py
index 79db0e0..e0006c1 100644
--- a/core/networking.py
+++ b/core/networking.py
@@ -1,45 +1,60 @@
+"""
+This module provides functions for enabling/disabling IP forwarding
+and retrieving the IP address of the current machine.
+"""
+
 import subprocess
 import socket
-import core.platform as platform
+from core import platform
 
 
 def enable_ip_forwarding():
+    """
+    Enables IP forwarding on the current machine.
 
+    IP forwarding is enabled based on the operating system type
+    (macOS, Linux, or Windows).
+    """
     os_platform = platform.get_os()
-
+    cmd = None
     if os_platform == 'mac':
         cmd = ['/usr/sbin/sysctl', '-w', 'net.inet.ip.forwarding=1']
     elif os_platform == 'linux':
         cmd = ['sysctl', '-w', 'net.ipv4.ip_forward=1']
     elif os_platform == 'windows':
         cmd = ['powershell', 'Set-NetIPInterface', '-Forwarding', 'Enabled']
-
+    else:
+        raise ValueError(f"Unsupported OS platform: {os_platform}")
     assert subprocess.call(cmd) == 0
 
 
 def disable_ip_forwarding():
+    """
+    Disables IP forwarding on the current machine.
 
+    IP forwarding is disabled based on the operating system type
+    (macOS, Linux, or Windows).
+    """
     os_platform = platform.get_os()
-
+    cmd = None
     if os_platform == 'mac':
         cmd = ['/usr/sbin/sysctl', '-w', 'net.inet.ip.forwarding=0']
     elif os_platform == 'linux':
         cmd = ['sysctl', '-w', 'net.ipv4.ip_forward=0']
     elif os_platform == 'windows':
         cmd = ['powershell', 'Set-NetIPInterface', '-Forwarding', 'Disabled']
+    else:
+        raise ValueError(f"Unsupported OS platform: {os_platform}")
 
     assert subprocess.call(cmd) == 0
 
 def get_ip_address():
     """Get the IP address of the current machine."""
     try:
-        # Create a socket object
         with socket.socket(socket.AF_INET, socket.SOCK_DGRAM) as s:
-            # Connect to a remote server (doesn't have to be reachable)
             s.connect(("8.8.8.8", 80))
-            # Get the IP address of the current machine
             ip_address = s.getsockname()[0]
         return ip_address
-    except Exception as e:
+    except OSError as e:
         print(f"Error while getting IP address: {e}")
         return None
diff --git a/core/vendor.py b/core/vendor.py
index 3bd9fe8..bf98de3 100644
--- a/core/vendor.py
+++ b/core/vendor.py
@@ -53,11 +53,15 @@ def _load_from_file(cls, filename):
         """
         with open(filename, 'r', encoding='utf-8') as file:
             csvreader = csv.reader(file)
-            next(csvreader)  # Skip header
             mac_vendor_data = {}
             for row in csvreader:
-                oui = row[1].replace("-", "").upper()[:6]
-                vendor = row[2]
+                # Ensure the row has at least 2 elements (OUI and vendor name)
+                if len(row) < 2:
+                    continue
+
+                oui = row[0].replace("-", "").upper()[:6]  # OUI is in the first column (index 0)
+                vendor = row[1]  # Vendor name is in the second column (index 1)
+                print(f"Processing OUI: {oui}, Vendor: {vendor}")
                 mac_vendor_data[oui] = vendor
             return mac_vendor_data