API: Improved random exponential backoff to do_api_query

Author: orientor

zulip/zulip/__init__.py

@@ -527,7 +527,9 @@ def error_retry(error_string):
             query_state["request"]["dont_block"] = json.dumps(True)
             delay_cap = 10
             delay_base = 0.5
-            delay_time = random.random() * min(delay_cap, delay_base * (2 ** query_state["failures"]))
+            delay_time = random.random() * delay_cap
+            if query_state["failures"] <= 5:
+                delay_time = random.random() * min(delay_cap, delay_base * (2 ** query_state["failures"]))
             time.sleep(delay_time)
             query_state["failures"] += 1
             return True