diff --git a/extension_service/datastore/datastore.py b/extension_service/datastore/datastore.py
index 47fb1a1f3..f6129e746 100644
--- a/extension_service/datastore/datastore.py
+++ b/extension_service/datastore/datastore.py
@@ -46,12 +46,17 @@ async def create(cls, config: C) -> "Client":
 
     @abstractmethod
     async def initialize_data(
-        self, flights: List[models.Flight], toys: List[models.Toy], embeddings: List[models.Embedding]
+        self,
+        flights: List[models.Flight],
+        toys: List[models.Toy],
+        embeddings: List[models.Embedding],
     ) -> None:
         pass
 
     @abstractmethod
-    async def export_data(self) -> Tuple[List[models.Flight], List[models.Toy], List[models.Embedding]]:
+    async def export_data(
+        self,
+    ) -> Tuple[List[models.Flight], List[models.Toy], List[models.Embedding]]:
         pass
 
     @abstractmethod
diff --git a/extension_service/datastore/providers/postgres.py b/extension_service/datastore/providers/postgres.py
index 71832d5cd..4f4af74fc 100644
--- a/extension_service/datastore/providers/postgres.py
+++ b/extension_service/datastore/providers/postgres.py
@@ -65,12 +65,15 @@ async def init(conn):
         return cls(pool)
 
     async def initialize_data(
-        self, flights: List[models.Flight], toys: List[models.Toy], embeddings: List[models.Embedding]
+        self,
+        flights: List[models.Flight],
+        toys: List[models.Toy],
+        embeddings: List[models.Embedding],
     ) -> None:
         async with self.__pool.acquire() as conn:
-			# If the table already exists, drop it to avoid conflicts
+            # If the table already exists, drop it to avoid conflicts
             await conn.execute("DROP TABLE IF EXISTS flights CASCADE")
-			# Create a new table
+            # Create a new table
             await conn.execute(
                 """
                 CREATE TABLE flights(
@@ -86,12 +89,23 @@ async def initialize_data(
                     date DATE
                 )
                 """
-			)
-             # Insert all the data
+            )
+            # Insert all the data
             await conn.executemany(
                 """INSERT INTO flights VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10)""",
                 [
-                    (f.id, f.airline, f.flight_number, f.origin_airport, f.destination_airport, f.departure_time, f.arrival_time, f.departure_gate, f.arrival_gate, datetime.datetime.strptime(f.date, '%Y-%m-%d').date())
+                    (
+                        f.id,
+                        f.airline,
+                        f.flight_number,
+                        f.origin_airport,
+                        f.destination_airport,
+                        f.departure_time,
+                        f.arrival_time,
+                        f.departure_gate,
+                        f.arrival_gate,
+                        datetime.datetime.strptime(f.date, "%Y-%m-%d").date(),
+                    )
                     for f in flights
                 ],
             )
@@ -136,13 +150,20 @@ async def initialize_data(
                 [(e.product_id, e.content, e.embedding) for e in embeddings],
             )
 
-    async def export_data(self) -> Tuple[List[models.Flight], List[models.Toy], List[models.Embedding]]:
-        flights_task = asyncio.create_task(self.__pool.fetch("""SELECT * FROM flights"""))
+    async def export_data(
+        self,
+    ) -> Tuple[List[models.Flight], List[models.Toy], List[models.Embedding]]:
+        flights_task = asyncio.create_task(
+            self.__pool.fetch("""SELECT * FROM flights""")
+        )
         toy_task = asyncio.create_task(self.__pool.fetch("""SELECT * FROM products"""))
         emb_task = asyncio.create_task(
             self.__pool.fetch("""SELECT * FROM product_embeddings""")
         )
-        flights = [models.Flight.model_validate(dict(f, date=f["date"].isoformat())) for f in await flights_task]
+        flights = [
+            models.Flight.model_validate(dict(f, date=f["date"].isoformat()))
+            for f in await flights_task
+        ]
         toys = [models.Toy.model_validate(dict(t)) for t in await toy_task]
         embeddings = [models.Embedding.model_validate(dict(v)) for v in await emb_task]
 
diff --git a/extension_service/models/models.py b/extension_service/models/models.py
index 45754de66..eee252424 100644
--- a/extension_service/models/models.py
+++ b/extension_service/models/models.py
@@ -19,6 +19,7 @@
 from numpy import float32
 from pydantic import BaseModel, ConfigDict, FieldValidationInfo, field_validator
 
+
 class Flight(BaseModel):
     id: str
     airline: str
@@ -31,6 +32,7 @@ class Flight(BaseModel):
     arrival_gate: str
     date: str
 
+
 class Toy(BaseModel):
     product_id: str
     product_name: str
diff --git a/extension_service/run_database_export.py b/extension_service/run_database_export.py
index d55956d88..431d1f553 100644
--- a/extension_service/run_database_export.py
+++ b/extension_service/run_database_export.py
@@ -32,7 +32,18 @@ async def main():
     await ds.close()
 
     with open("../data/flights_dataset.csv.new", "w") as f:
-        col_names = ['id', 'airline', 'flight_number', 'origin_airport', 'destination_airport', 'departure_time', 'arrival_time', 'departure_gate', 'arrival_gate', 'date']
+        col_names = [
+            "id",
+            "airline",
+            "flight_number",
+            "origin_airport",
+            "destination_airport",
+            "departure_time",
+            "arrival_time",
+            "departure_gate",
+            "arrival_gate",
+            "date",
+        ]
         writer = csv.DictWriter(f, col_names, delimiter=",")
         writer.writeheader()
         for t in flights: