Added fake definition for _

_ is added by magic in the plugin loading system, which means there are
no imports to indicate its existence to static analysis tools.

plugins/edsm.py

@@ -20,6 +20,7 @@ import urllib.parse
 import urllib.request
 from queue import Queue
 from threading import Thread
+from typing import TYPE_CHECKING, Any
 
 import requests
 
@@ -28,6 +29,10 @@ import plug
 from config import applongname, appname, appversion, config
 from ttkHyperlinkLabel import HyperlinkLabel
 
+if TYPE_CHECKING:
+    def _(x: str) -> str:
+        return x
+
 logger = logging.getLogger(appname)
 
 EDSM_POLL = 0.1