fixing nits

Author: Jack Gordley

libs/langgraph-checkpoint-aws/langgraph_checkpoint_aws/agentcore/store.py

@@ -195,6 +195,8 @@ def _handle_search(self, op: SearchOp) -> list[SearchItem]:
 
     def _convert_namespace_to_string(self, namespace_tuple: tuple[str, ...]) -> str:
         """Convert namespace tuple to AgentCore namespace string."""
+        if not isinstance(namespace_tuple, tuple):
+            raise TypeError("namespace_tuple must be a tuple")
         if not namespace_tuple:
             return "/"
         return "/" + "/".join(namespace_tuple)

libs/langgraph-checkpoint-aws/langgraph_checkpoint_aws/agentcore/tools.py

@@ -51,7 +51,7 @@ def __call__(self, config: dict | None = None) -> tuple[str, ...]:
         formatted_parts = []
 
         for part in self.namespace_parts:
-            if "{" in part and "}" in part:
+            if part.startswith("{") and part.endswith("}"):
                 # Format with configurable values
                 try:
                     formatted_part = part.format(**configurable)

libs/langgraph-checkpoint-aws/pyproject.toml

@@ -20,7 +20,7 @@ python = ">=3.9,<4.0"
 langgraph-checkpoint = ">=2.0.0"
 langgraph = ">=0.2.55,<0.7"
 boto3 = ">=1.37.3"
-bedrock-agentcore = ">=0.1.5"
+bedrock-agentcore = ">=0.1.4"
 
 [tool.poetry.group.dev]
 optional = true