docs: update the quickstart guide (+ misc fixes) (#701)

letta/schemas/providers.py

@@ -168,7 +168,23 @@ class OpenAIProvider(Provider):
                 embedding_dim=1536,
                 embedding_chunk_size=300,
                 handle=self.get_handle("text-embedding-ada-002"),
-            )
+            ),
+            EmbeddingConfig(
+                embedding_model="text-embedding-3-small",
+                embedding_endpoint_type="openai",
+                embedding_endpoint="https://api.openai.com/v1",
+                embedding_dim=2000,
+                embedding_chunk_size=300,
+                handle=self.get_handle("text-embedding-3-small"),
+            ),
+            EmbeddingConfig(
+                embedding_model="text-embedding-3-large",
+                embedding_endpoint_type="openai",
+                embedding_endpoint="https://api.openai.com/v1",
+                embedding_dim=2000,
+                embedding_chunk_size=300,
+                handle=self.get_handle("text-embedding-3-large"),
+            ),
         ]
 
     def get_model_context_window_size(self, model_name: str):

letta/server/rest_api/app.py

@@ -146,7 +146,7 @@ def create_application() -> "FastAPI":
         log.error(f"Unhandled error: {exc}", exc_info=True)
 
         # Print the stack trace
-        print(f"Stack trace: {exc.__traceback__}")
+        print(f"Stack trace: {exc}")
         if (os.getenv("SENTRY_DSN") is not None) and (os.getenv("SENTRY_DSN") != ""):
             import sentry_sdk
 

letta/services/agent_manager.py

@@ -79,9 +79,10 @@ class AgentManager:
 
         # create blocks (note: cannot be linked into the agent_id is created)
         block_ids = list(agent_create.block_ids or [])  # Create a local copy to avoid modifying the original
-        for create_block in agent_create.memory_blocks:
-            block = self.block_manager.create_or_update_block(PydanticBlock(**create_block.model_dump()), actor=actor)
-            block_ids.append(block.id)
+        if agent_create.memory_blocks:
+            for create_block in agent_create.memory_blocks:
+                block = self.block_manager.create_or_update_block(PydanticBlock(**create_block.model_dump()), actor=actor)
+                block_ids.append(block.id)
 
         # TODO: Remove this block once we deprecate the legacy `tools` field
         # create passed in `tools`