Update app.py

app.py

@@ -1,10 +1,26 @@
 import os, sys
 os.system("pip install pyworld") # ==0.3.3
+
 now_dir = os.getcwd()
 sys.path.append(now_dir)
 os.environ['TF_CPP_MIN_LOG_LEVEL'] = '3'
 os.environ["OPENBLAS_NUM_THREADS"] = "1"
 os.environ["no_proxy"] = "localhost, 127.0.0.1, ::1"
+
+# Download models
+import subprocess
+shell_script = './tools/dlmodels.sh'
+try:
+    subprocess.run(shell_script, shell=True, check=True)
+    print("Shell script executed successfully.")
+except subprocess.CalledProcessError as e:
+    print(f"Error running shell script: {e}")
+except FileNotFoundError:
+    print(f"Shell script not found: {shell_script}")
+except Exception as e:
+    print(f"An error occurred: {e}")
+
+
 import logging
 import shutil
 import threading