Apply suggestions from code review

Co-authored-by: Juliya Smith <yingthi@live.com>

ape_alchemy/provider.py

@@ -140,7 +140,6 @@ def _make_request(self, endpoint: str, parameters: list) -> Any:
         RETRY_BACKOFF_FACTOR = 2
         MAX_RETRY_DELAY = 30000
         MAX_RETRIES = 3
-        # RETRY_INTERVAL = 1000
         RETRY_JITTER = 250
         for i in range(0,MAX_RETRIES):
             print(f"_make_request attempt {i}")
@@ -157,7 +156,7 @@ def _make_request(self, endpoint: str, parameters: list) -> Any:
                     if isinstance(error_data, dict)
                     else error_data
                 )
-                if message.__contains__("exceeded its compute units"):
+                if "exceeded its compute units" in message:
                     RETRY_INTERVAL = min(MAX_RETRY_DELAY, MIN_RETRY_DELAY * RETRY_BACKOFF_FACTOR ** i)
                     print(f"Alchemy compute units exceeded, retrying #{i} in {RETRY_INTERVAL} ms")
                     delay = RETRY_INTERVAL + random.randint(0, RETRY_JITTER)