fix: gradio cache issues

gradio_app.py

@@ -1,6 +1,5 @@
 import os
 import tempfile
-import gradio as gr
 import shutil
 import ast
 import numpy as np
@@ -26,16 +25,12 @@ from notebook_lm_kokoro import (
 
 os.environ["HOME"] = "/tmp/home"  # Prevent fallback to /root
 os.makedirs("/tmp/home", exist_ok=True)
-os.environ["GRADIO_TEMP_DIR"] = "/tmp/gradio"
-os.environ["TRANSFORMERS_CACHE"] = "/tmp/huggingface/transformers"
-os.environ["TORCH_HOME"] = "/tmp/torch"
-os.environ["MOSHI_CACHE_DIR"] = "/tmp/moshi"
-os.environ["XDG_CACHE_HOME"] = "/tmp/huggingface"  # already good
-os.environ["HF_HOME"] = "/tmp/huggingface"         # already good
 
-# Patch GRADIO’s cache path resolution (so it doesn't default to '/.cache')
-gr.paths.default_cache_dir = lambda: pathlib.Path("/tmp/huggingface/gradio")
 
+os.environ["TORCH_HOME"] = "/tmp/torch"
+os.environ["MOSHI_CACHE_DIR"] = "/tmp/moshi"
+os.environ["TRANSFORMERS_CACHE"] = "/tmp/huggingface/transformers"
+import gradio as gr
 
 warnings.filterwarnings("ignore")
 NUM_WORKERS = multiprocessing.cpu_count()
@@ -81,9 +76,11 @@ def generate_audio_from_script_with_voices(script, speaker1_voice, speaker2_voic
         if not isinstance(transcript_list, list):
             raise ValueError("Transcript is not a list")
 
-        entries = [(entry, voice_map) for entry in transcript_list if isinstance(entry, tuple) and len(entry) == 2]
-        with concurrent.futures.ProcessPoolExecutor(max_workers=NUM_WORKERS) as executor:
-            results = [r for r in executor.map(process_segment, entries) if r is not None]
+        results = []
+        for entry in transcript_list:
+            audio = process_segment((entry, voice_map))
+            if audio is not None:
+                results.append(audio)
         if not results:
             return None
         sample_rate = 24000