Remove unused variable in utils and fix import warning

Deleted the unused 'effective_max' variable from split_text_by_length in utils.py. Added noqa to suppress import order warning in run.py.

Author: dbccccccc

ttsfm-web/run.py

@@ -7,7 +7,7 @@
 
 eventlet.monkey_patch()
 
-from app import DEBUG, HOST, PORT, app, socketio
+from app import DEBUG, HOST, PORT, app, socketio  # noqa: E402
 
 if __name__ == '__main__':
     print(f"Starting TTSFM with WebSocket support on {HOST}:{PORT}")

ttsfm/utils.py

@@ -312,7 +312,6 @@ def split_text_by_length(
         return [text]
 
     chunks: List[str] = []
-    effective_max = max_length
 
     if preserve_words:
         sentences = _split_into_sentences(text)