Update app.py

app.py

@@ -9,7 +9,7 @@ subprocess.run('apt-get install htop -y', shell=True)
 subprocess.run('apt-get install nano -y', shell=True)
 subprocess.run('npm install express', shell=True)
 subprocess.run('npm install cors', shell=True)
-
+subprocess.run('python -m pip install "lxml>=5.1.0"', shell=True)
 subprocess.run('npm install fluent-ffmpeg', shell=True)
 subprocess.run('python3 -m pip install --no-deps git+https://github.com/WesleySouto/streamlink.git', shell=True)
 subprocess.run('python3 -m pip install requests pycryptodome certifi pycountry isodate websocket-client trio trio-websocket urllib3', shell=True)