Apparently there should be an instanceof check here...

skyem123 · skyem123 · commit da22a77c5b3b · 2015-10-17T18:58:42.000+01:00
@Victorious3, note that @Vexatos said that I should do this.
diff --git a/src/main/java/moe/nightfall/vic/integratedcircuits/compat/gateio/GPComputerCraft.java b/src/main/java/moe/nightfall/vic/integratedcircuits/compat/gateio/GPComputerCraft.java
@@ -4,6 +4,7 @@
 import moe.nightfall.vic.integratedcircuits.api.gate.IGatePeripheralProvider;
 import moe.nightfall.vic.integratedcircuits.api.gate.ISocket;
 import moe.nightfall.vic.integratedcircuits.api.gate.ISocketWrapper;
+import net.minecraft.tileentity.TileEntity;
 import net.minecraft.world.World;
 import codechicken.lib.vec.BlockCoord;
 import cpw.mods.fml.common.Optional.Interface;
@@ -55,11 +56,14 @@ public int getBundledRedstoneOutput(World world, int x, int y, int z, int side)
 	@Override
 	@Method(modid = "ComputerCraft")
 	public IPeripheral getPeripheral(World world, int x, int y, int z, int side) {
-		ISocket socket = ((ISocketWrapper) world.getTileEntity(x, y, z)).getSocket();
-		if (socket.getGate() instanceof IGatePeripheralProvider) {
-			IGatePeripheralProvider provider = (IGatePeripheralProvider) socket.getGate();
-			return provider.hasPeripheral(side) ? provider.getPeripheral() : null;
+		TileEntity tileEntity = world.getTileEntity(x, y, z);
+		if (tileEntity instanceof ISocketWrapper) {
+			ISocket socket = ((ISocketWrapper) tileEntity).getSocket();
+			if (socket.getGate() instanceof IGatePeripheralProvider) {
+				IGatePeripheralProvider provider = (IGatePeripheralProvider) socket.getGate();
+				return provider.hasPeripheral(side) ? provider.getPeripheral() : null;
+			}
 		}
 		return null;
 	}
-}
+}
