Update mcp/ensembl.py

mcp/ensembl.py

@@ -1,11 +1,10 @@
-### `ensembl.py` – species-agnostic xref  
-```python
-import httpx, asyncio
+import httpx
 from functools import lru_cache
-_URL="https://rest.ensembl.org/xrefs/symbol/homo_sapiens/{}?content-type=application/json"
+
+_URL = "https://rest.ensembl.org/xrefs/symbol/homo_sapiens/{}?content-type=application/json"
+
 @lru_cache(maxsize=512)
-async def fetch_ensembl(sym:str):
+async def fetch_ensembl(sym: str):
     async with httpx.AsyncClient(timeout=8) as c:
-        r=await c.get(_URL.format(sym)); 
-        return r.json()[0] if r.status_code==200 and r.json() else {}
-``` :contentReference[oaicite:8]{index=8}  
+        r = await c.get(_URL.format(sym))
+        return r.json()[0] if r.status_code == 200 and r.json() else {}