diff --git a/accounts.py b/accounts.py
index 0d59673..458aeaa 100644
--- a/accounts.py
+++ b/accounts.py
@@ -44,9 +44,7 @@ async def list_directory_users(
                 username=account.username,
                 email=account.email,
                 wallets=[
-                    DirectoryWallet(
-                        id=w.id, name=w.name, balance_msat=w.balance_msat
-                    )
+                    DirectoryWallet(id=w.id, name=w.name, balance_msat=w.balance_msat)
                     for w in wallets
                 ],
             )
diff --git a/migrations.py b/migrations.py
index 547b587..2967f47 100644
--- a/migrations.py
+++ b/migrations.py
@@ -16,8 +16,7 @@ schema.
 async def m001_initial(db):
     """Payroll contracts — the standing "pay X this much, this often" rows."""
 
-    await db.execute(
-        f"""
+    await db.execute(f"""
         CREATE TABLE payroll.contracts (
             id TEXT PRIMARY KEY,
             employee_id TEXT NOT NULL,
@@ -37,16 +36,13 @@ async def m001_initial(db):
             created_at TIMESTAMP NOT NULL DEFAULT {db.timestamp_now},
             updated_at TIMESTAMP NOT NULL DEFAULT {db.timestamp_now}
         );
-        """
-    )
+        """)
 
     # The scheduler's hot path is "every contract still eligible to pay".
     # NOTE: the schema qualifier goes on the INDEX name, not the table —
     # SQLite attaches the extension DB as schema `payroll`, and
     # `CREATE INDEX ON schema.table` is a syntax error there.
-    await db.execute(
-        "CREATE INDEX payroll.idx_contracts_status ON contracts (status);"
-    )
+    await db.execute("CREATE INDEX payroll.idx_contracts_status ON contracts (status);")
     # Employee-facing lookups ("show me my payroll lines") filter by account.
     await db.execute(
         "CREATE INDEX payroll.idx_contracts_employee ON contracts (employee_id);"
diff --git a/models.py b/models.py
index 782eaf9..c877200 100644
--- a/models.py
+++ b/models.py
@@ -56,8 +56,8 @@ class Frequency(str, Enum):
 
 
 class ContractStatus(str, Enum):
-    active = "active"        # eligible for payout on every scheduler tick
-    paused = "paused"        # keeps its schedule position, pays nothing
+    active = "active"  # eligible for payout on every scheduler tick
+    paused = "paused"  # keeps its schedule position, pays nothing
     completed = "completed"  # ran out of periods; terminal
     cancelled = "cancelled"  # stopped by the operator; terminal
 
@@ -93,7 +93,7 @@ class CreateContract(BaseModel):
     total_periods: int | None = None
 
     label: str = ""  # display name for the line, e.g. "Alice — dev retainer"
-    memo: str = ""   # payment memo the employee sees; falls back to `label`
+    memo: str = ""  # payment memo the employee sees; falls back to `label`
 
     # Periods whose payday already passed before the contract existed. Off by
     # default: creating a contract with a back-dated start is normally an
diff --git a/views_api.py b/views_api.py
index bd8afef..76d87c1 100644
--- a/views_api.py
+++ b/views_api.py
@@ -149,9 +149,7 @@ async def api_update_contract(contract_id: str, data: UpdateContract) -> Contrac
     return await crud.update_contract(contract)
 
 
-@payroll_api_router.delete(
-    "/api/v1/contracts/{contract_id}", status_code=HTTPStatus.OK
-)
+@payroll_api_router.delete("/api/v1/contracts/{contract_id}", status_code=HTTPStatus.OK)
 async def api_delete_contract(contract_id: str) -> None:
     """Hard-delete a contract row.