added __init__ files as suggested.

src/crewai_tools/aws/__init__.py

@@ -1,3 +1,9 @@
 from .s3 import S3ReaderTool, S3WriterTool
+from .bedrock import BedrockKBRetrieverTool, BedrockInvokeAgentTool
 
-__all__ = ['S3ReaderTool', 'S3WriterTool']
+__all__ = [
+    'S3ReaderTool', 
+    'S3WriterTool',
+    'BedrockKBRetrieverTool',
+    'BedrockInvokeAgentTool'
+]

src/crewai_tools/aws/bedrock/__init__.py

@@ -0,0 +1,4 @@
+from .knowledge_base.retriever_tool import BedrockKBRetrieverTool
+from .agents.invoke_agent_tool import BedrockInvokeAgentTool
+
+__all__ = ["BedrockKBRetrieverTool", "BedrockInvokeAgentTool"]

src/crewai_tools/aws/bedrock/agents/__init__.py

@@ -0,0 +1,3 @@
+from .invoke_agent_tool import BedrockInvokeAgentTool
+
+__all__ = ["BedrockInvokeAgentTool"]

src/crewai_tools/aws/bedrock/knowledge_base/__init__.py

@@ -0,0 +1,3 @@
+from .retriever_tool import BedrockKBRetrieverTool
+
+__all__ = ["BedrockKBRetrieverTool"]