off by one (#724)

generate.py

@@ -615,11 +615,7 @@ def _main(
     # arbitrarily large number as chat mode goes until max_seq length
     # or user exits
     num_samples = generator_args.num_samples if not generator_args.chat_mode else 100000
-    i = (
-        -1
-    )  # long loop and Im scared someone will add a continue in it, so start at -1 and increment at the start
-    while i < num_samples:
-        i += 1
+    for i in range(num_samples):
         device_sync(device=builder_args.device)
         if i >= 0 and generator_args.chat_mode:
             prompt = input("User: ")