Update poetry lock (#1209)

* Update the version of llama_index used to fix transient openai errors

* Update poetry.lock file

* Make `local` mode the default mode by default

private_gpt/server/chunks/chunks_router.py

@@ -1,3 +1,5 @@
+from typing import Literal
+
 from fastapi import APIRouter
 from pydantic import BaseModel, Field
 
@@ -16,8 +18,8 @@ class ChunksBody(BaseModel):
 
 
 class ChunksResponse(BaseModel):
-    object: str = Field(enum=["list"])
-    model: str = Field(enum=["private-gpt"])
+    object: Literal["list"]
+    model: Literal["private-gpt"]
     data: list[Chunk]
 
 

private_gpt/server/chunks/chunks_service.py

@@ -1,4 +1,4 @@
-from typing import TYPE_CHECKING
+from typing import TYPE_CHECKING, Literal
 
 from injector import inject, singleton
 from llama_index import ServiceContext, StorageContext, VectorStoreIndex
@@ -19,7 +19,7 @@ if TYPE_CHECKING:
 
 
 class Chunk(BaseModel):
-    object: str = Field(enum=["context.chunk"])
+    object: Literal["context.chunk"]
     score: float = Field(examples=[0.023])
     document: IngestedDoc
     text: str = Field(examples=["Outbound sales increased 20%, driven by new leads."])