Update utils/helpers.py

utils/helpers.py

@@ -40,7 +40,10 @@ def clean_and_validate_srt(srt_content):
     match = first_block_pattern.search(srt_content)
     if match: srt_content = srt_content[match.start():]
     
-    pattern = re.compile(r"(\d+)\s*\n([^-\n]+?) --> ([^-\n]+?)\s*\n((?:(?!^\d+\s*\n).+\n?)*)", re.MULTILINE)
+    # Same `(?:\n|$)` fix as parse_srt in srt_utils.py — a last block with
+    # empty text has no trailing newline for a mandatory `\n` to match,
+    # which silently dropped it (and its block number) from `matches`.
+    pattern = re.compile(r"(\d+)\s*\n([^-\n]+?) --> ([^-\n]+?)\s*(?:\n|$)((?:(?!^\d+\s*\n).+\n?)*)", re.MULTILINE)
     matches = pattern.findall(srt_content)
     
     def corrigir_timestamp(timestamp):