fix(bedrock): fix error 'Key cache already exists' (#2423)

* bedrock: fix error 'Key cache already exists'

* [autofix.ci] apply automated fixes

* [autofix.ci] apply automated fixes

---------

Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>
Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

src/backend/base/langflow/components/models/AmazonBedrockModel.py

@@ -3,7 +3,8 @@ from langchain_aws import ChatBedrock
 from langflow.base.constants import STREAM_INFO_TEXT
 from langflow.base.models.model import LCModelComponent
 from langflow.field_typing import LanguageModel
-from langflow.io import BoolInput, DictInput, DropdownInput, MessageInput, Output, StrInput
+from langflow.inputs import MessageTextInput
+from langflow.io import BoolInput, DictInput, DropdownInput, MessageInput, Output
 
 
 class AmazonBedrockComponent(LCModelComponent):
@@ -51,12 +52,11 @@ class AmazonBedrockComponent(LCModelComponent):
             ],
             value="anthropic.claude-3-haiku-20240307-v1:0",
         ),
-        StrInput(name="credentials_profile_name", display_name="Credentials Profile Name"),
+        MessageTextInput(name="credentials_profile_name", display_name="Credentials Profile Name"),
-        StrInput(name="region_name", display_name="Region Name"),
+        MessageTextInput(name="region_name", display_name="Region Name", value="us-east-1"),
-        DictInput(name="model_kwargs", display_name="Model Kwargs", advanced=True),
+        DictInput(name="model_kwargs", display_name="Model Kwargs", advanced=True, is_list=True),
-        StrInput(name="endpoint_url", display_name="Endpoint URL"),
+        MessageTextInput(name="endpoint_url", display_name="Endpoint URL", advanced=True),
-        BoolInput(name="cache", display_name="Cache"),
+        MessageTextInput(
-        StrInput(
             name="system_message",
             display_name="System Message",
             info="System message to pass to the model.",
@@ -75,7 +75,6 @@ class AmazonBedrockComponent(LCModelComponent):
         region_name = self.region_name
         model_kwargs = self.model_kwargs
         endpoint_url = self.endpoint_url
-        cache = self.cache
         stream = self.stream
         try:
             output = ChatBedrock(  # type: ignore
@@ -85,7 +84,6 @@ class AmazonBedrockComponent(LCModelComponent):
                 model_kwargs=model_kwargs,
                 endpoint_url=endpoint_url,
                 streaming=stream,
-                cache=cache,
             )
         except Exception as e:
             raise ValueError("Could not connect to AmazonBedrock API.") from e

src/backend/base/langflow/custom/custom_component/component.py

@@ -86,7 +86,10 @@ class Component(CustomComponent):
         _attributes = {}
         for key, value in params.items():
             if key in self.__dict__:
-                raise ValueError(f"Key {key} already exists in {self.__class__.__name__}")
+                raise ValueError(
+                    f"{self.__class__.__name__} defines an input parameter named '{key}' "
+                    f"that is a reserved word and cannot be used."
+                )
             _attributes[key] = value
         for key, input_obj in self._inputs.items():
             if key not in _attributes: