fix: keep original _is_transient_error name, remove AssertionError from retryable

Author: aliev

tests/base.py

@@ -47,12 +47,10 @@ def wait_for_task(client, task_id, timeout_ms=10000, poll_interval_ms=1000):
         time.sleep(poll_interval_ms / 1000.0)
 
 
-def _is_retryable_error(exc: Exception) -> bool:
+def _is_transient_error(exc: Exception) -> bool:
     """Check if an exception is worth retrying with backoff."""
     if isinstance(exc, (httpx.ReadTimeout, httpx.ConnectTimeout, httpx.ConnectError)):
         return True
-    if isinstance(exc, AssertionError):
-        return True
     if isinstance(exc, StreamAPIException):
         if exc.status_code in (429, 502, 503, 504):
             return True
@@ -91,7 +89,7 @@ def wrapper(*args, **kwargs):
                 try:
                     return func(*args, **kwargs)
                 except Exception as exc:
-                    if attempt < max_retries and _is_retryable_error(exc):
+                    if attempt < max_retries and _is_transient_error(exc):
                         last_exc = exc
                         delay = min(base_delay * (2**attempt), max_delay)
                         time.sleep(delay)