Restore env variable

Author: guibescos

pyth-aptos-js/src/examples/AptosRelay.ts

@@ -45,7 +45,7 @@ async function run() {
   );
 
   // Update the Pyth Contract using this update data
-  const sender = new AptosAccount(Buffer.from(process.env[APTOS_KEY], "hex"));
+  const sender = new AptosAccount(Buffer.from(process.env[APTOS_KEY]!, "hex"));
   const client = new AptosClient(argv.fullNode);
   const result = await client.generateSignSubmitWaitForTransaction(
     sender,