Move python version check to the top of start.py

start.py

@@ -1,6 +1,12 @@
 #!/usr/bin/env python3
 
-import argparse, faulthandler, os, platform, sys, time
+import sys
+
+if sys.version_info < (3, 6):
+    sys.stderr.write("BitBot requires python 3.6.0 or later\n")
+    sys.exit(1)
+
+import argparse, faulthandler, os, platform, time
 from src import Cache, Config, Database, EventManager, Exports, IRCBot
 from src import Logging, ModuleManager, Timers, utils
 
@@ -49,10 +55,6 @@ if not log_level:
 
 log = Logging.Log(not args.no_logging, log_level, args.log_dir)
 
-if sys.version_info < (3, 6):
-    sys.stderr.write("BitBot requires python 3.6.0 or later\n")
-    sys.exit(1)
-
 log.info("Starting BitBot %s (Python v%s)",
     [IRCBot.VERSION, platform.python_version()])