lint + formating with black (#158)

* lint + formating with black

* add black as pre commit

arch/tools/test/fastapi_test.py

@@ -4,12 +4,23 @@ from typing import List, Dict, Set
 
 app = FastAPI()
 
+
 class User(BaseModel):
-    name: str = Field("John Doe", description="The name of the user.")  # Default value and description for name
+    name: str = Field(
+        "John Doe", description="The name of the user."
+    )  # Default value and description for name
     location: int = None
-    age: int = Field(30, description="The age of the user.")  # Default value and description for age
-    tags: Set[str] = Field(default_factory=set, description="A set of tags associated with the user.")  # Default empty set and description for tags
-    metadata: Dict[str, int] = Field(default_factory=dict, description="A dictionary storing metadata about the user, with string keys and integer values.")  # Default empty dict and description for metadata
+    age: int = Field(
+        30, description="The age of the user."
+    )  # Default value and description for age
+    tags: Set[str] = Field(
+        default_factory=set, description="A set of tags associated with the user."
+    )  # Default empty set and description for tags
+    metadata: Dict[str, int] = Field(
+        default_factory=dict,
+        description="A dictionary storing metadata about the user, with string keys and integer values.",
+    )  # Default empty dict and description for metadata
+
 
 @app.get("/agent/default")
 async def default(request: User):
@@ -19,6 +30,7 @@ async def default(request: User):
     """
     return {"info": f"Query: {request.name}, Count: {request.age}"}
 
+
 @app.post("/agent/action")
 async def reboot_network_device(device_id: str, confirmation: str):
     """