Fixed translation issue when first line is an empty string. #1672

bazarr/utils.py

@@ -480,6 +480,11 @@ def translate_subtitles_file(video_path, source_srt_file, to_lang, forced, hi):
 
     logging.debug('BAZARR is sending {} blocks to Google Translate'.format(len(lines_block_list)))
     for block_str in lines_block_list:
+        empty_first_line = False
+        if block_str.startswith('\n\n\n'):
+            # This happens when the first line of text in a subtitles file is an empty string
+            empty_first_line = True
+
         try:
             translated_partial_srt_text = GoogleTranslator(source='auto',
                                                            target=language_code_convert_dict.get(lang_obj.alpha2,
@@ -489,6 +494,9 @@ def translate_subtitles_file(video_path, source_srt_file, to_lang, forced, hi):
             logging.exception(f'BAZARR Unable to translate subtitles {source_srt_file}')
             return False
         else:
+            if empty_first_line:
+                # GoogleTranslate remove new lines at the beginning of the string, so we add it back.
+                translated_partial_srt_text = '\n\n\n' + translated_partial_srt_text
             translated_partial_srt_list = translated_partial_srt_text.split('\n\n\n')
             translated_lines_list += translated_partial_srt_list