diff --git a/private_gpt/components/embedding/embedding_component.py b/private_gpt/components/embedding/embedding_component.py
index cbc9faea..2967c38b 100644
--- a/private_gpt/components/embedding/embedding_component.py
+++ b/private_gpt/components/embedding/embedding_component.py
@@ -74,7 +74,9 @@ class EmbeddingComponent:
                 )
             case "azopenai":
                 try:
-                    from llama_index.embeddings.azure_openai import AzureOpenAIEmbedding  # type: ignore
+                    from llama_index.embeddings.azure_openai import (  # type: ignore
+                        AzureOpenAIEmbedding,
+                    )
                 except ImportError as e:
                     raise ImportError(
                         "Azure OpenAI dependencies not found, install with `poetry install --extras embeddings-azopenai`"
diff --git a/private_gpt/components/llm/llm_component.py b/private_gpt/components/llm/llm_component.py
index b3c951fb..6cfa7d8c 100644
--- a/private_gpt/components/llm/llm_component.py
+++ b/private_gpt/components/llm/llm_component.py
@@ -113,7 +113,9 @@ class LLMComponent:
                 )
             case "azopenai":
                 try:
-                    from llama_index.llms.azure_openai import AzureOpenAI  # type: ignore
+                    from llama_index.llms.azure_openai import (  # type: ignore
+                        AzureOpenAI,
+                    )
                 except ImportError as e:
                     raise ImportError(
                         "Azure OpenAI dependencies not found, install with `poetry install --extras llms-azopenai`"
diff --git a/private_gpt/settings/settings.py b/private_gpt/settings/settings.py
index c9a9c3af..188f92c2 100644
--- a/private_gpt/settings/settings.py
+++ b/private_gpt/settings/settings.py
@@ -81,7 +81,9 @@ class DataSettings(BaseModel):
 
 
 class LLMSettings(BaseModel):
-    mode: Literal["llamacpp", "openai", "openailike", "azopenai", "sagemaker", "mock", "ollama"]
+    mode: Literal[
+        "llamacpp", "openai", "openailike", "azopenai", "sagemaker", "mock", "ollama"
+    ]
     max_new_tokens: int = Field(
         256,
         description="The maximum number of token that the LLM is authorized to generate in one completion.",
@@ -185,6 +187,7 @@ class OllamaSettings(BaseModel):
         description="Model to use. Example: 'nomic-embed-text'.",
     )
 
+
 class AzureOpenAISettings(BaseModel):
     api_key: str
     azure_endpoint: str
@@ -203,6 +206,7 @@ class AzureOpenAISettings(BaseModel):
         description="OpenAI Model to use. Example: 'gpt-4'.",
     )
 
+
 class UISettings(BaseModel):
     enabled: bool
     path: str