s/logger/_logger/ in the plugins module.

The `logger` name may clash with the context of an action, where
`logger` may have been set to something else.

platypush/plugins/__init__.py

@@ -15,7 +15,7 @@ from platypush.message.response import Response
 from platypush.utils import get_decorators, get_plugin_name_by_class
 
 PLUGIN_STOP_TIMEOUT = 5  # Plugin stop timeout in seconds
-logger = logging.getLogger(__name__)
+_logger = logging.getLogger(__name__)
 
 
 def action(f: Callable[..., Any]) -> Callable[..., Response]:
@@ -33,7 +33,7 @@ def action(f: Callable[..., Any]) -> Callable[..., Response]:
         try:
             result = f(*args, **kwargs)
         except TypeError as e:
-            logger.exception(e)
+            _logger.exception(e)
             result = Response(errors=[str(e)])
 
         if result and isinstance(result, Response):