Update mcp/mygene.py

mcp/mygene.py

@@ -1,35 +1,21 @@
-"""
-MyGene.info async helper
-Docs: https://docs.mygene.info/en/latest/api_service.html
-• Key is OPTIONAL – set MYGENE_KEY only for >500 QPS quota.
-• One retry on 5xx/timeout then returns {} so UI never crashes.
-"""
-
-from __future__ import annotations
-import os, asyncio, httpx
+import os, httpx
 from functools import lru_cache
-from typing import Dict
 
-_URL   = "https://mygene.info/v3/query"
-_KEY   = os.getenv("MYGENE_KEY")          # optional
-_FIELDS = "symbol,name,summary,alias,entrezgene,location"
-_TIMEOUT = 8
-_RETRIES = 2            # initial + one retry
+_KEY  = os.getenv("MYGENE_KEY")
+_URL  = "https://mygene.info/v3/query"
 
 @lru_cache(maxsize=512)
-async def fetch_gene_info(symbol: str) -> Dict:
-    params = {"q": symbol, "fields": _FIELDS, "size": 1}
+async def fetch_gene_info(sym: str) -> dict:
+    if not sym:
+        return {}
+    params = {
+        "q"     : sym,
+        "fields": "symbol,name,summary,alias,entrezgene,location",
+        "size"  : 1,
+    }
     if _KEY:
         params["api_key"] = _KEY
-
-    delay = 0.0
-    for _ in range(_RETRIES):
-        try:
-            async with httpx.AsyncClient(timeout=_TIMEOUT) as cli:
-                r = await cli.get(_URL, params=params)
-                r.raise_for_status()
-                return r.json().get("hits", [{}])[0]
-        except (httpx.HTTPStatusError, httpx.ReadTimeout):
-            await asyncio.sleep(delay or 0.6)   # back-off once
-            delay = 0.0                         # only retry once
-    return {}                                   # graceful fallback
+    async with httpx.AsyncClient(timeout=8) as c:
+        r = await c.get(_URL, params=params)
+        r.raise_for_status()
+        return r.json().get("hits", [{}])[0]