fix: patch TEI error in load

[cpacker]

Close #723

Please describe the purpose of this pull request.

Example command to test:

memgpt load directory --name test_load --input-dir memgpt/personas/examples --recursive

On main:

Works fine with OpenAI:

(pymemgpt-py3.10) (base) loaner@MacBook-Pro-5 MemGPT-2 % memgpt load directory --name test_load --input-dir memgpt/personas/examples 
--recursive
LLM is explicitly disabled. Using MockLLM.
LLM is explicitly disabled. Using MockLLM.
Parsing nodes: 100%|███████████████████████████████████████████████████████████████████████████████████| 7/7 [00:00<00:00, 30.85it/s]
Generating embeddings: 100%|███████████████████████████████████████████████████████████████████████| 100/100 [00:03<00:00, 31.43it/s]
100%|██████████████████████████████████████████████████████████████████████████████████████████| 100/100 [00:00<00:00, 609637.21it/s]
Generating embeddings: 0it [00:00, ?it/s]

Doesn't work with memgpt quickstart:

(pymemgpt-py3.10) (base) loaner@MacBook-Pro-5 MemGPT-2 % memgpt quickstart
📖 MemGPT configuration file updated!
🧠 model        -> ehartford/dolphin-2.5-mixtral-8x7b
🖥️  endpoint     -> https://api.memgpt.ai
⚡ Run "memgpt run" to create an agent with the new config.
(pymemgpt-py3.10) (base) loaner@MacBook-Pro-5 MemGPT-2 % memgpt load directory --name test_load2 --input-dir memgpt/personas/examples --recursive
LLM is explicitly disabled. Using MockLLM.
LLM is explicitly disabled. Using MockLLM.
Parsing nodes: 100%|███████████████████████████████████████████████████████████████████████████████████| 7/7 [00:00<00:00, 50.50it/s]
Generating embeddings: 100%|███████████████████████████████████████████████████████████████████████| 100/100 [00:10<00:00,  9.56it/s]
  0%|                                                                                                        | 0/100 [00:00<?, ?it/s]
    return callback(**use_params)  # type: ignore
  File "/Users/loaner/dev/MemGPT-2/memgpt/cli/cli_load.py", line 106, in load_directory
    store_docs(name, docs)
  File "/Users/loaner/dev/MemGPT-2/memgpt/cli/cli_load.py", line 48, in store_docs
    len(node.embedding) == config.embedding_dim
AssertionError: Expected embedding dimension 1536, got 4: {'object': 'list', 'data': [{'object': 'embedding', 'embedding': [0.0072218 ...

On PR (with patch)

% memgpt load directory --name test_load --input-dir memgpt/personas/examples --recursive
Parsing nodes: 100%|███████████████████████████████████████████████████████████████████████████████████| 7/7 [00:00<00:00, 51.74it/s]
Generating embeddings: 100%|███████████████████████████████████████████████████████████████████████| 100/100 [00:10<00:00,  9.25it/s]
  0%|                                                                                                        | 0/100 [00:00<?, ?it/s]
Traceback (most recent call last)
...
  File "/Users/loaner/dev/MemGPT-2/memgpt/cli/cli_load.py", line 121, in load_directory
    store_docs(name, docs)
  File "/Users/loaner/dev/MemGPT-2/memgpt/cli/cli_load.py", line 63, in store_docs
    len(node.embedding) == config.embedding_dim
AssertionError: Expected embedding dimension 1536, got 1024: [0.00722182, -0.028529543, 

config for reference:

[defaults]
preset = memgpt_chat
persona = sam_pov
human = basic

[model]
model = ehartford/dolphin-2.5-mixtral-8x7b
model_endpoint = https://api.memgpt.ai
model_endpoint_type = vllm
model_wrapper = chatml
context_window = 32768

[embedding]
embedding_endpoint_type = hugging-face
embedding_endpoint = https://embeddings.memgpt.ai
embedding_model = BAAI/bge-large-en-v1.5
embedding_dim = 1536
embedding_chunk_size = 300

[archival_storage]
type = local

[version]
memgpt_version = 0.2.10

[client]
anon_clientid = ...

How to test

See above.

Have you tested this PR?

• load works
• insert banana / search banana test works (quickstart)
• insert banana / search banana test works (quickstart --backend openai)

[sarahwooders]

lgtm!