search_symbols output type fix

piker/brokers/deribit/api.py

@@ -436,12 +436,12 @@ class Client:
         self,
         pattern: str,
         limit: int = 30,
-    ) -> dict[str, Any]:
+    ) -> dict[str, Pair]:
         '''
         Fuzzy search symbology set for pairs matching `pattern`.
 
         '''
-        pairs: dict[str, Any] = await self.symbol_info()
+        pairs: dict[str, Pair] = await self.symbol_info()
         matches: dict[str, Pair] = match_from_pairs(
             pairs=pairs,
             query=pattern.upper(),