community[patch]: Add missing annotations (#24890)

This PR adds annotations in comunity package.

Annotations are only strictly needed in subclasses of BaseModel for
pydantic 2 compatibility.

This PR adds some unnecessary annotations, but they're not bad to have
regardless for documentation pages.

libs/community/langchain_community/llms/moonshot.py

@@ -39,9 +39,9 @@ class MoonshotCommon(BaseModel):
     """Moonshot API key. Get it here: https://platform.moonshot.cn/console/api-keys"""
     model_name: str = Field(default="moonshot-v1-8k", alias="model")
     """Model name. Available models listed here: https://platform.moonshot.cn/pricing"""
-    max_tokens = 1024
+    max_tokens: int = 1024
     """Maximum number of tokens to generate."""
-    temperature = 0.3
+    temperature: float = 0.3
     """Temperature parameter (higher values make the model more creative)."""
 
     class Config:

libs/community/langchain_community/llms/oci_data_science_model_deployment_endpoint.py

@@ -244,7 +244,7 @@ class OCIModelDeploymentTGI(OCIModelDeploymentLLM):
     """Watermarking with `A Watermark for Large Language Models <https://arxiv.org/abs/2301.10226>`_.
     Defaults to True."""
 
-    return_full_text = False
+    return_full_text: bool = False
     """Whether to prepend the prompt to the generated text. Defaults to False."""
 
     @property

libs/community/langchain_community/llms/oci_generative_ai.py

@@ -26,7 +26,7 @@ class Provider(ABC):
 
 
 class CohereProvider(Provider):
-    stop_sequence_key = "stop_sequences"
+    stop_sequence_key: str = "stop_sequences"
 
     def __init__(self) -> None:
         from oci.generative_ai_inference import models
@@ -38,7 +38,7 @@ class CohereProvider(Provider):
 
 
 class MetaProvider(Provider):
-    stop_sequence_key = "stop"
+    stop_sequence_key: str = "stop"
 
     def __init__(self) -> None:
         from oci.generative_ai_inference import models

libs/community/langchain_community/llms/sambanova.py

@@ -16,7 +16,7 @@ class SVEndpointHandler:
     :param str host_url: Base URL of the DaaS API service
     """
 
-    API_BASE_PATH = "/api/predict"
+    API_BASE_PATH: str = "/api/predict"
 
     def __init__(self, host_url: str):
         """

libs/community/langchain_community/llms/solar.py

@@ -41,7 +41,7 @@ class SolarCommon(BaseModel):
     model_name: str = Field(default="solar-1-mini-chat", alias="model")
     """Model name. Available models listed here: https://console.upstage.ai/services/solar"""
     max_tokens: int = Field(default=1024)
-    temperature = 0.3
+    temperature: float = 0.3
 
     class Config:
         allow_population_by_field_name = True