Update app.py

app.py

@@ -6,6 +6,7 @@ from gtts import gTTS
 import subprocess
 import openai
 from openai import OpenAI
+import shutil
 
 # Use writable cache for Hugging Face
 os.environ["MPLCONFIGDIR"] = "/tmp/matplotlib"
@@ -19,6 +20,20 @@ chatter_owl_url = "file/images/chatter_owl.png"
 model = WhisperModel("base", compute_type="int8")  # Fastest CPU option
 openai.api_key = os.getenv("OPENAI_API_KEY")
 
+# Optional safety check
+TMP_DIR = "/tmp"
+
+# Clean up /tmp folder at runtime start
+for sub in os.listdir(TMP_DIR):
+    sub_path = os.path.join(TMP_DIR, sub)
+    try:
+        if os.path.isfile(sub_path) or os.path.islink(sub_path):
+            os.unlink(sub_path)
+        elif os.path.isdir(sub_path):
+            shutil.rmtree(sub_path)
+    except Exception as e:
+        print(f"Failed to delete {sub_path}. Reason: {e}")
+
 # Prompt template
 PROMPT_TEMPLATE = """
 You are a communication coach evaluating a user's spoken response.