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fix(router.py): raise better exception when no deployments are available

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Fixes https://github.com/BerriAI/litellm/issues/3355
This commit is contained in:
Krrish Dholakia 2024-04-29 18:48:04 -07:00
parent 1e53c06064
commit f0e48cdd53
1 changed files with 8 additions and 1 deletions
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9
litellm/router.py
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@ -1450,7 +1450,9 @@ class Router:
raise original_exception
### RETRY
#### check if it should retry + back-off if required
if "No models available" in str(e):
if "No models available" in str(
e
) or RouterErrors.no_deployments_available.value in str(e):
timeout = litellm._calculate_retry_after(
remaining_retries=num_retries,
max_retries=num_retries,
@ -2948,6 +2950,11 @@ class Router:
model=model, healthy_deployments=healthy_deployments, messages=messages
)
if len(healthy_deployments) == 0:
raise ValueError(
f"{RouterErrors.no_deployments_available.value}, passed model={model}"
)
if (
self.routing_strategy == "usage-based-routing-v2"
and self.lowesttpm_logger_v2 is not None