diff --git a/stack_orchestrator/data/stacks/mobymask-v3-demo/deploy/commands.py b/stack_orchestrator/data/stacks/mobymask-v3-demo/deploy/commands.py
index 72d198db..135091b7 100644
--- a/stack_orchestrator/data/stacks/mobymask-v3-demo/deploy/commands.py
+++ b/stack_orchestrator/data/stacks/mobymask-v3-demo/deploy/commands.py
@@ -16,6 +16,7 @@
 from stack_orchestrator.deploy.deployment_context import DeploymentContext
 from ruamel.yaml import YAML
 
+
 def create(context: DeploymentContext, extra_args):
     fixturenet_eth_compose_file = context.deployment_dir.joinpath('compose', 'docker-compose-fixturenet-eth.yml')
 
@@ -32,18 +33,28 @@ def create(context: DeploymentContext, extra_args):
         yaml.dump(yaml_data, yaml_file)
 
     # load fixturenet-optimism compose file
-    fixturenet_optimism_compose_file = context.deployment_dir.joinpath('compose', 'docker-compose-fixturenet-optimism.yml')
+    fixturenet_optimism_compose_file = context.deployment_dir.joinpath(
+        "compose",
+        "docker-compose-fixturenet-optimism.yml"
+    )
 
     with open(fixturenet_optimism_compose_file, 'r') as yaml_file:
         yaml = YAML()
         yaml_data = yaml.load(yaml_file)
 
     # mount the funding script to volumes
-    fund_accounts_script = '../config/watcher-mobymask-v3-demo/local/fund-accounts-on-l2.sh:/app/packages/contracts-bedrock/fund-accounts-on-l2.sh'
+    fund_accounts_script = (
+        '../config/watcher-mobymask-v3-demo/local/fund-accounts-on-l2.sh'
+        ':/app/packages/contracts-bedrock/fund-accounts-on-l2.sh'
+    )
     yaml_data['services']['fixturenet-optimism-contracts']['volumes'].append(fund_accounts_script)
 
     # update command to run the script
-    yaml_data['services']['fixturenet-optimism-contracts']['command'] = '"./wait-for-it.sh -h ${CERC_L1_HOST:-$${DEFAULT_CERC_L1_HOST}} -p ${CERC_L1_PORT:-$${DEFAULT_CERC_L1_PORT}} -s -t 60 -- ./deploy-contracts.sh && ./fund-accounts-on-l2.sh"'
+    yaml_data['services']['fixturenet-optimism-contracts']['command'] = (
+        '"./wait-for-it.sh -h ${CERC_L1_HOST:-$${DEFAULT_CERC_L1_HOST}}'
+        ' -p ${CERC_L1_PORT:-$${DEFAULT_CERC_L1_PORT}} -s -t 60'
+        ' -- ./deploy-contracts.sh && ./fund-accounts-on-l2.sh"'
+    )
 
     # update port mapping for op-geth: 0.0.0.0:8545:8545
     existing_ports = yaml_data['services']['op-geth']['ports']