From 09673581a492ac9ed027eefee58af9e9ebd17000 Mon Sep 17 00:00:00 2001
From: Reuben Morais <reuben.morais@gmail.com>
Date: Mon, 30 Mar 2020 18:16:49 +0200
Subject: [PATCH] Error early in generate_package.py if no alphabet was
 specified and not using UTF-8 mode

X-DeepSpeech: NOBUILD
---
 data/lm/generate_package.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/data/lm/generate_package.py b/data/lm/generate_package.py
index 3b9aa372..f33f1563 100644
--- a/data/lm/generate_package.py
+++ b/data/lm/generate_package.py
@@ -48,6 +48,9 @@ def create_bundle(
     if use_utf8:
         serialized_alphabet = UTF8Alphabet().serialize()
     else:
+        if not alphabet_path:
+            print("No --alphabet path specified, can't continue.")
+            sys.exit(1)
         serialized_alphabet = Alphabet(alphabet_path).serialize()
 
     alphabet = NativeAlphabet()