7685: fix typo

EIPS/eip-7685.md

@@ -68,7 +68,7 @@ Extend the header with a new 32 byte value `requests_hash`:
 
 ```python
 def compute_requests_hash(list):
-    return keccak256(rlp.encode([ rlp.encode(req) for req in list]))
+    return keccak256(rlp.encode([rlp.encode(req) for req in list]))
 
 block.header.requests_root = compute_trie_root_from_indexed_data(block.body.requests)
 ```