fix audio file safari

app.ipynb

@@ -89,7 +89,7 @@
    "outputs": [],
    "source": [
     "#| export\n",
-    "TEMP = os.environ['GRADIO_TEMP_DIR','/tmp/']\n",
+    "TEMP = os.environ.get('GRADIO_TEMP_DIR','/tmp/')\n",
     "TEMP_DIR = Path(TEMP)\n",
     "print('TEMP Dir:', TEMP_DIR)"
    ]
@@ -487,7 +487,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 54,
+   "execution_count": 55,
    "id": "0420310d-930b-4904-8bd4-3458ad8bdbd3",
    "metadata": {},
    "outputs": [],

app.py

@@ -47,7 +47,7 @@ from tenacity import (
 )  # for exponential backoff
 
 # %% app.ipynb 4
-TEMP = os.environ['GRADIO_TEMP_DIR','/tmp/']
+TEMP = os.environ.get('GRADIO_TEMP_DIR','/tmp/')
 TEMP_DIR = Path(TEMP)
 print('TEMP Dir:', TEMP_DIR)