BerriAI/litellm · error · ImportError
Missing boto3 to call bedrock. Run 'pip install boto3'.
Error message
Missing boto3 to call bedrock. Run 'pip install boto3'.
What it means
Error "Missing boto3 to call bedrock. Run 'pip install boto3'." thrown in BerriAI/litellm.
Source
Thrown at litellm/llms/bedrock/base_aws_llm.py:1390
else:
return f"https://bedrock-runtime.{aws_region_name}.amazonaws.com"
def _get_boto_credentials_from_optional_params(
self, optional_params: dict, model: str | None = None
) -> Boto3CredentialsInfo:
"""
Get boto3 credentials from optional params
Args:
optional_params (dict): Optional parameters for the model call
Returns:
Credentials: Boto3 credentials object
"""
try:
from botocore.credentials import Credentials
except ImportError:
raise ImportError("Missing boto3 to call bedrock. Run 'pip install boto3'.")
## CREDENTIALS ##
# pop aws_secret_access_key, aws_access_key_id, aws_region_name from kwargs, since completion calls fail with them
aws_secret_access_key: Final = optional_params.pop("aws_secret_access_key", None)
aws_access_key_id: Final = optional_params.pop("aws_access_key_id", None)
aws_session_token: Final = optional_params.pop("aws_session_token", None)
aws_region_name: Final = self._get_aws_region_name(optional_params, model)
optional_params.pop("aws_region_name", None)
aws_role_name: Final = optional_params.pop("aws_role_name", None)
aws_session_name: Final = optional_params.pop("aws_session_name", None)
aws_profile_name: Final = optional_params.pop("aws_profile_name", None)
aws_web_identity_token: Final = optional_params.pop("aws_web_identity_token", None)
aws_sts_endpoint: Final = optional_params.pop("aws_sts_endpoint", None)
aws_bedrock_runtime_endpoint: Final = optional_params.pop(
"aws_bedrock_runtime_endpoint", None
) # https://bedrock-runtime.{region_name}.amazonaws.com
aws_external_id: Final = optional_params.pop("aws_external_id", None)
credentials: Final[Credentials] = self.get_credentials(View on GitHub (pinned to 6c2dcb801b)
Solutions
- Install boto3: pip install boto3.
When it happens
Trigger: Thrown at litellm/llms/bedrock/base_aws_llm.py:1390 when the library encounters an invalid state.
Common situations: See trigger scenarios.
AI-assisted analysis of BerriAI/litellm@6c2dcb801b (2026-08-15).
Data as JSON: /api/errors/c131ef7168218a2c.
Report an issue: GitHub.