Update app.py

app.py

@@ -1,4 +1,4 @@
-import subprocess, os, shutil, time, sys, platform
+import subprocess, os, shutil, time, sys, platform, stat
 if platform.system() == 'Windows':
     raise SystemError("You are trying to run this demo on **Windows**. Windows is not supported. If you would still like to try, remove lines 2 & 3 in the code to bypass this warning.")
 
@@ -8,7 +8,9 @@ def setup_virtual_env():
     
     # Activate the virtual environment
     activate_script = os.path.join('venv_ui', 'bin', 'activate')
-    subprocess.run(['chmod', '+x', activate_script], shell=True)
+    
+    st = os.stat(activate_script)
+    os.chmod(activate_script, st.st_mode | stat.S_IEXEC)
     subprocess.run([activate_script], shell=True)
 
     # Install required packages
@@ -35,8 +37,8 @@ def move_files_and_subdirs(source_dir):
 
 subprocess.run(['git', 'clone', 'https://github.com/fakerybakery/metavoice-src', './mvsrc'])
 time.sleep(3)
-subprocess.run(['pip', 'uninstall', '-y', 'pydantic'])
-subprocess.run(['pip', 'install', '-U', 'pydantic==1.7.4'])
+subprocess.run(['pip', 'uninstall', '-y', 'pydantic', 'fastapi'])
+subprocess.run(['pip', 'install', '-U', 'pydantic==2.6.1', 'fastapi'])
 move_files_and_subdirs("mvsrc")
 time.sleep(3)
 serving = subprocess.Popen(['python', 'fam/llm/serving.py', '--huggingface_repo_id', 'metavoiceio/metavoice-1B-v0.1'])