diff --git a/boa_zksync/compiler_utils.py b/boa_zksync/compiler_utils.py
index 2c0f11b..36a014e 100644
--- a/boa_zksync/compiler_utils.py
+++ b/boa_zksync/compiler_utils.py
@@ -80,7 +80,12 @@ def get_compiler_output(output):
     # from the compiler. Assuming key names could change and also assuming that the
     # number of keys could change, this method breaks if any of that happens:
 
-    excluded_keys = {"version", "zk_version", "__VYPER_MINIMAL_PROXY_CONTRACT", "extra_data"}
+    excluded_keys = {
+        "version",
+        "zk_version",
+        "__VYPER_MINIMAL_PROXY_CONTRACT",
+        "extra_data",
+    }
     contract_keys = set(output.keys()) - excluded_keys
 
     if len(contract_keys) != 1:
diff --git a/boa_zksync/types.py b/boa_zksync/types.py
index 09d87c7..2c78082 100644
--- a/boa_zksync/types.py
+++ b/boa_zksync/types.py
@@ -203,7 +203,7 @@ def to_deployment(
     ):
         contract_name = getattr(contract, "contract_name", None)
         if (filename := getattr(contract, "filename", None)) is not None:
-            filename = str(filename) # can be Path sometimes
+            filename = str(filename)  # can be Path sometimes
         try:
             source_bundle = get_verification_bundle(contract)
         except Exception as e:
diff --git a/boa_zksync/util.py b/boa_zksync/util.py
index 28f2b88..2fa37ca 100644
--- a/boa_zksync/util.py
+++ b/boa_zksync/util.py
@@ -1,9 +1,9 @@
 import os
 import socket
+import warnings
 from datetime import datetime, timedelta
 from subprocess import Popen, TimeoutExpired
 from time import sleep
-import warnings
 
 import requests
 from requests.exceptions import ConnectionError
@@ -91,7 +91,8 @@ def install_era_test_node(
     manually, but in the Colab environment, we can automate this process.
     """
     warnings.warn(
-        "This feature is deprecated and will be removed in a future release. era_test_node has since been renamed to anvil-zksync.",
+        """This feature is deprecated and will be removed in a future release.
+    era_test_node has since been renamed to anvil-zksync.""",
         DeprecationWarning,
     )
 
diff --git a/pyproject.toml b/pyproject.toml
index 290f5e4..8d0abe9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -48,4 +48,9 @@ dev-dependencies = [
     "nest-asyncio>=1.6.0",
     "pytest-xdist>=3.6.1",
     "pytest>=8.3.3",
+    "mypy>=1.13.0",
+    "pip>=24.3.1",
+    "black>=24.10.0",
+    "flake8>=7.1.1",
+    "isort>=5.13.2",
 ]