Fix a signal bug on python post 3.8 version

The signal can only be used on the main thread and not the flask sub
process one.

Signed-off-by: Reed Wade <reedwade@misterbanal.net>

app.py

@@ -1,12 +1,16 @@
 #!/usr/bin/env python3
 from fosspay.app import app
-from fosspay.config import _cfg, _cfgi
+from fosspay.config import _cfg, _cfgi, load_config
 
 import os
 
 app.static_folder = os.path.join(os.getcwd(), "static")
 
 import os
+import signal
+
+signal.signal(signal.SIGHUP, lambda *args: load_config())
 
 if __name__ == '__main__':
     app.run(host=_cfg("debug-host"), port=_cfgi('debug-port'), debug=True)
+

fosspay/config.py

@@ -1,5 +1,4 @@
 import logging
-import signal
 
 try:
     from configparser import ConfigParser
@@ -27,7 +26,6 @@ def load_config():
     global config
     config = ConfigParser()
     config.readfp(open('config.ini'))
-    signal.signal(signal.SIGHUP, lambda *args: load_config())
 
 load_config()