The __main__ function should take no arguments.

setup.py won't pass any arguments to `main()`, so the default entry
point should get them itself from `sys.argv`.

platypush/__main__.py

@@ -1,5 +1,3 @@
-import sys
-
 from platypush.runner import main
 
-main(*sys.argv[1:])
+main()

platypush/runner/__init__.py

@@ -1,7 +1,9 @@
+import sys
+
 from ._runner import ApplicationRunner
 
 
-def main(*args: str):
+def main():
     """
     Main application entry point.
 
@@ -11,7 +13,7 @@ def main(*args: str):
     """
 
     app_runner = ApplicationRunner()
-    app_runner.run(*args)
+    app_runner.run(*sys.argv[1:])
 
 
 __all__ = ["ApplicationRunner", "main"]