Need multi-thread server for circular call issue (paste).

config/server.py

@@ -4,7 +4,7 @@ host        = "localhost"
 port        = 11000
 reloader    = True
 debug       = False
-server      = 'wsgiref' # try 'gunicorn'
+server      = 'paste' # try 'gunicorn'
 
 session_opts = {
     'session.type': 'file',

install.sh

@@ -4,6 +4,7 @@ python3 -m venv .venv                   # Create .venv
 
 .venv/bin/pip3 install bottle           # Micro Framework
 .venv/bin/pip3 install gunicorn         # WSGI Server Backend
+.venv/bin/pip3 install paste			# WSGI Server Backend that support circular call
 .venv/bin/pip3 install beaker           # Session & caching library
 .venv/bin/pip3 install mako             # Template library