[Bug Fix] Fix issue related to using embedding model from huggingface

[deshraj]

Description

Fixes #1241

Type of change

• Bug fix (non-breaking change which fixes an issue)

How Has This Been Tested?

• Test Script (please provide)

from embedchain import App


app_config = {
    "app": {"config": {"id": "embedchain-demo-app"}},
    "llm": {
        "provider": "huggingface",
        "config": {
            "model": "mistralai/Mixtral-8x7B-Instruct-v0.1",
            "temperature": 0.1,
            "max_tokens": 250,
            "top_p": 0.1,
        },
    },
    "embedder": {"provider": "huggingface", "config": {"model": "sentence-transformers/all-mpnet-base-v2"}},
}

ec_app = App.from_config(config=app_config)


a = ec_app.query("What is the capital of France?")

print(a)