improve zeronet.py: don't reimport config and fix name clash

previously due to zeronet.py and most of the source files living in
different import 'namespaces', Config module was imported twice.
this if fixed by editing sys.modules

CHANGELOG.md

@@ -4,6 +4,7 @@ maintainers: @caryoscelus
 - better debugging of update non-propagation
 - sec update of msgpck dependency (@chncaption)
 - deprecate python-3.6 as it apparently is no longer used (by active users)
+- improvement in imports and naming (@caryoscelus)
 
 ### zeronet-conservancy 0.7.8.1 (2022-11-28) (0054eca9df0c9c8c2f4a78)
 maintainers: @caryoscelus

zeronet.py

@@ -3,7 +3,11 @@ import os
 import sys
 from src.Config import config
 
-def main():
+# fix further imports from src dir
+sys.modules['Config'] = sys.modules['src.Config']
+
+def launch():
+    '''renamed from main to avoid clashes with main module'''
     if sys.version_info.major < 3:
         print("Error: Python 3.x is required")
         sys.exit(0)
@@ -12,7 +16,6 @@ def main():
         from greet import fancy_greet
         fancy_greet(config.version)
 
-    main = None
     try:
         import main
         main.start()
@@ -131,7 +134,7 @@ def start():
         import update
         update.update()
     else:
-        main()
+        launch()
 
 
 if __name__ == '__main__':