Bugfix: Pick AWS region from the environment variable correctly (#3384)

mem0/configs/embeddings/base.py

@@ -1,3 +1,4 @@
+import os
 from abc import ABC
 from typing import Dict, Optional, Union
 
@@ -38,7 +39,7 @@ class BaseEmbedderConfig(ABC):
         # AWS Bedrock specific
         aws_access_key_id: Optional[str] = None,
         aws_secret_access_key: Optional[str] = None,
-        aws_region: Optional[str] = "us-west-2",
+        aws_region: Optional[str] = None,
     ):
         """
         Initializes a configuration class instance for the Embeddings.
@@ -105,4 +106,5 @@ class BaseEmbedderConfig(ABC):
         # AWS Bedrock specific
         self.aws_access_key_id = aws_access_key_id
         self.aws_secret_access_key = aws_secret_access_key
-        self.aws_region = aws_region
+        self.aws_region = aws_region or os.environ.get("AWS_REGION") or "us-west-2"
+

mem0/configs/llms/aws_bedrock.py

@@ -1,6 +1,7 @@
-from typing import Optional, Dict, Any, List
-from mem0.configs.llms.base import BaseLlmConfig
 import os
+from typing import Any, Dict, List, Optional
+
+from mem0.configs.llms.base import BaseLlmConfig
 
 
 class AWSBedrockConfig(BaseLlmConfig):
@@ -19,7 +20,7 @@ class AWSBedrockConfig(BaseLlmConfig):
         top_k: int = 1,
         aws_access_key_id: Optional[str] = None,
         aws_secret_access_key: Optional[str] = None,
-        aws_region: str = "us-west-2",
+        aws_region: str = "",
         aws_session_token: Optional[str] = None,
         aws_profile: Optional[str] = None,
         model_kwargs: Optional[Dict[str, Any]] = None,
@@ -53,7 +54,7 @@ class AWSBedrockConfig(BaseLlmConfig):
 
         self.aws_access_key_id = aws_access_key_id
         self.aws_secret_access_key = aws_secret_access_key
-        self.aws_region = aws_region
+        self.aws_region = aws_region or os.getenv("AWS_REGION", "us-west-2")
         self.aws_session_token = aws_session_token
         self.aws_profile = aws_profile
         self.model_kwargs = model_kwargs or {}

mem0/embeddings/aws_bedrock.py

@@ -28,15 +28,15 @@ class AWSBedrockEmbedding(EmbeddingBase):
         aws_access_key = os.environ.get("AWS_ACCESS_KEY_ID", "")
         aws_secret_key = os.environ.get("AWS_SECRET_ACCESS_KEY", "")
         aws_session_token = os.environ.get("AWS_SESSION_TOKEN", "")
-        aws_region = os.environ.get("AWS_REGION", "us-west-2")
 
         # Check if AWS config is provided in the config
         if hasattr(self.config, "aws_access_key_id"):
             aws_access_key = self.config.aws_access_key_id
         if hasattr(self.config, "aws_secret_access_key"):
             aws_secret_key = self.config.aws_secret_access_key
-        if hasattr(self.config, "aws_region"):
-            aws_region = self.config.aws_region
+        
+        # AWS region is always set in config - see BaseEmbedderConfig
+        aws_region = self.config.aws_region or "us-west-2"
 
         self.client = boto3.client(
             "bedrock-runtime",