fix timestamp

Signed-off-by: nithinraok <[email protected]>

nemo_align.py

@@ -430,8 +430,9 @@ def get_start_end_for_segments(word_timestamps):
             word_list = []
         
 
-    segment = ' '.join(word_list)
-    segment_timestamps.append((segment, beginning, end))
+    if word_list:  # Only append if there are remaining words
+        segment = ' '.join(word_list)
+        segment_timestamps.append((segment, beginning, end))
 
     return segment_timestamps