Continue Flask migration.

thermostat.py

@@ -9,6 +9,7 @@ import yaml
 import os
 import sys
 import datetime
+import time
 
 logging.basicConfig(level=logging.WARNING)
 
@@ -147,7 +148,6 @@ first_loop = True
 #sys.stdout.flush() 
 
 #import subprocess
-#import time
 #from datetime import timezone
 #import requests
 #import argparse