chore: adhere to ruff's "N" rules (#2377)

* chore: adhere to ruff's "N" rules

WARN: reinstall failing extensions!

bunch of more consistent variable naming. inspired by this issue.
https://github.com/lnbits/lnbits/issues/2308

* fixup! chore: adhere to ruff's "N" rules
* rename to funding_source
* skip jmeter

---------

Co-authored-by: Pavol Rusnak <pavol@rusnak.io>

lnbits/core/views/websocket_api.py

@@ -5,8 +5,8 @@ from fastapi import (
 )
 
 from ..services import (
-    websocketManager,
-    websocketUpdater,
+    websocket_manager,
+    websocket_updater,
 )
 
 websocket_router = APIRouter(prefix="/api/v1/ws", tags=["Websocket"])
@@ -14,18 +14,18 @@ websocket_router = APIRouter(prefix="/api/v1/ws", tags=["Websocket"])
 
 @websocket_router.websocket("/{item_id}")
 async def websocket_connect(websocket: WebSocket, item_id: str):
-    await websocketManager.connect(websocket, item_id)
+    await websocket_manager.connect(websocket, item_id)
     try:
         while True:
             await websocket.receive_text()
     except WebSocketDisconnect:
-        websocketManager.disconnect(websocket)
+        websocket_manager.disconnect(websocket)
 
 
 @websocket_router.post("/{item_id}")
 async def websocket_update_post(item_id: str, data: str):
     try:
-        await websocketUpdater(item_id, data)
+        await websocket_updater(item_id, data)
         return {"sent": True, "data": data}
     except Exception:
         return {"sent": False, "data": data}
@@ -34,7 +34,7 @@ async def websocket_update_post(item_id: str, data: str):
 @websocket_router.get("/{item_id}/{data}")
 async def websocket_update_get(item_id: str, data: str):
     try:
-        await websocketUpdater(item_id, data)
+        await websocket_updater(item_id, data)
         return {"sent": True, "data": data}
     except Exception:
         return {"sent": False, "data": data}