diff --git a/eth_portfolio/_cache.py b/eth_portfolio/_cache.py
index 70b341de..b18210aa 100644
--- a/eth_portfolio/_cache.py
+++ b/eth_portfolio/_cache.py
@@ -33,7 +33,7 @@ def get_cache_file_path(args, kwargs):
 
     if inspect.iscoroutinefunction(fn):
         queue = Queue()
-    
+
         async def cache_deco_worker_coro() -> NoReturn:
             try:
                 while True:
@@ -46,7 +46,7 @@ async def cache_deco_worker_coro() -> NoReturn:
                                     return loads(await f.read())
                                 except EOFError:
                                     pass
-            
+
                         async_result: T = await fn(*args, **kwargs)
                         try:
                             await __cache_write(cache_path, async_result)