fixed passive plugin reload bug and close event loop properly

plugin_loader/loader.py

@@ -31,8 +31,6 @@ class FileChangeHandler(FileSystemEventHandler):
         rel_path = path.relpath(src_path, path.commonprefix([self.plugin_path, src_path]))
         plugin_dir = path.split(rel_path)[0]
         main_file_path = path.join(self.plugin_path, plugin_dir, "main.py")
-        if not path.isfile(main_file_path):
-            return
         self.loader.import_plugin(main_file_path, plugin_dir, refresh=True)
     
     def on_modified(self, event):

plugin_loader/plugin.py

@@ -45,7 +45,9 @@ class PluginWrapper:
         while True:
             data = loads((await reader.readline()).decode("utf-8"))
             if "stop" in data:
-                return get_event_loop().stop()
+                get_event_loop().stop()
+                get_event_loop().close()
+                return
             d = {"res": None, "success": True}
             try:
                 d["res"] = await getattr(self.Plugin, data["method"])(self.Plugin, **data["args"])
@@ -82,6 +84,7 @@ class PluginWrapper:
             await self._open_socket_if_not_exists()
             self.writer.write((dumps({"stop": True})+"\n").encode("utf-8"))
             await self.writer.drain()
+            self.writer.close()
         loop.create_task(_(self))
 
     async def execute_method(self, method_name, kwargs):