Update app.py

app.py

@@ -20,7 +20,7 @@ ip_address = socket.gethostbyname(hostname)
 application = Flask(__name__)
 
 def _is_running(kangas=False, streamlit=False):
-    output = subprocess.check_output(['ps', '-A'])
+    output = subprocess.check_output(['ps', '-A']).decode('utf-8')
     application.logger.info(f"{output}")
     running = False
     if kangas is True: