diff --git a/raiden_installer/base.py b/raiden_installer/base.py
index 8acf8382..d314bd47 100644
--- a/raiden_installer/base.py
+++ b/raiden_installer/base.py
@@ -22,9 +22,10 @@
 from urllib.parse import urlparse
 from xml.etree import ElementTree
 
-import psutil
 import requests
 import toml
+
+import psutil
 from eth_keyfile import create_keyfile_json, decode_keyfile_json
 from eth_utils import to_checksum_address
 from raiden_contracts.constants import CONTRACT_CUSTOM_TOKEN, CONTRACT_USER_DEPOSIT
@@ -35,7 +36,6 @@
 )
 from web3 import HTTPProvider, Web3
 from web3.middleware import construct_sign_and_send_raw_middleware, geth_poa_middleware
-
 from xdg import XDG_DATA_HOME
 
 logger = logging.getLogger(__name__)
@@ -349,6 +349,10 @@ def get_date(timestamp):
                 if regex:
                     release_date = get_date(release_data["published_at"])
                     major, minor, revision = regex["major"], regex["minor"], regex["revision"]
+                    try:
+                        extra = regex["extra"]
+                    except IndexError:
+                        extra = ""
                     releases.append(
                         cls(
                             release=f"{major}.{minor}.{revision}",
@@ -357,6 +361,7 @@ def get_date(timestamp):
                             day=release_date.day,
                             major=major,
                             minor=minor,
+                            extra=extra,
                             revision=revision,
                             browser_download_url=asset_data.get("browser_download_url"),
                         )
@@ -378,7 +383,9 @@ class RaidenTestnetRelease(RaidenClient):
 
     @property
     def version(self):
-        return f"Raiden Preview {self.major}.{self.minor}.{self.revision} (Testnet only)"
+        return (
+            f"Raiden Preview {self.major}.{self.minor}.{self.revision}-{self.extra} (Testnet only)"
+        )
 
 
 class RaidenNightly(RaidenClient):
diff --git a/requirements.txt b/requirements.txt
index 1ac6c85e..06e1b47b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -33,7 +33,7 @@ pycodestyle==2.5.0
 pycparser==2.19
 pycryptodome==3.8.2
 pytest==5.0.1
-raiden-contracts==0.29.0
+raiden-contracts==0.32.0
 requests==2.22.0
 rlp==1.1.0
 semantic-version==2.6.0
diff --git a/setup.cfg b/setup.cfg
new file mode 100644
index 00000000..02b43367
--- /dev/null
+++ b/setup.cfg
@@ -0,0 +1,24 @@
+[flake8]
+ignore = B011, C814, E203, E402, E731, W503, W504
+max-line-length = 99
+exclude = build,dist,.git,
+
+[pep8]
+ignore = E731, E203, E402, W503, W504, C814
+max-line-length = 99
+
+[isort]
+line_length=99
+known_future_library=future
+# black compatibility
+multi_line_output=3
+include_trailing_comma=True
+force_grid_wrap=0
+use_parentheses=True
+
+[mypy]
+ignore_missing_imports = True
+check_untyped_defs = True
+# disallow_untyped_defs = True
+warn_unused_configs = True
+warn_unused_ignores = True
diff --git a/tests/integration.py b/tests/integration.py
index c31334b6..1f902b04 100644
--- a/tests/integration.py
+++ b/tests/integration.py
@@ -1,10 +1,9 @@
 import os
-import unittest
 import tempfile
+import unittest
 from pathlib import Path
 
-from installer import base
-
+from raiden_installer import base
 
 ETHEREUM_RPC_ENDPOINT = os.getenv("TEST_RAIDEN_INSTALLER_ETH_RPC_URL")
 ETHEREUM_NETWORK_NAME = os.getenv("TEST_RAIDEN_INSTALLER_ETHEREUM_NETWORK")
@@ -19,9 +18,7 @@ def setUp(self):
         base.Account.DEFAULT_KEYSTORE_FOLDER = Path(tempfile.gettempdir()).joinpath(
             "raiden", "installer", "integration"
         )
-        self.ethereum_rpc_provider = base.EthereumRPCProvider.make_from_url(
-            ETHEREUM_RPC_ENDPOINT
-        )
+        self.ethereum_rpc_provider = base.EthereumRPCProvider.make_from_url(ETHEREUM_RPC_ENDPOINT)
         self.account = base.Account.create("test_raiden_integration")
         self.network = base.Network.get_by_name(ETHEREUM_NETWORK_NAME)
 
@@ -38,9 +35,7 @@ def test_can_fund_account(self):
 class TokenTestCase(IntegrationTestCase):
     def setUp(self):
         super().setUp()
-        self.token = base.Token(
-            ethereum_rpc_endppoint=ETHEREUM_RPC_ENDPOINT, account=self.account
-        )
+        self.token = base.Token(ethereum_rpc_endppoint=ETHEREUM_RPC_ENDPOINT, account=self.account)
 
     def test_can_not_mint_tokens_without_gas(self):
         with self.assertRaises(ValueError):
@@ -48,5 +43,4 @@ def test_can_not_mint_tokens_without_gas(self):
 
     def test_can_mint_tokens(self):
         self.network.fund(self.account)
-
         self.token.mint(self.token.TOKEN_AMOUNT)
diff --git a/tests/unit.py b/tests/unit.py
index 731245bc..fa3fcff1 100644
--- a/tests/unit.py
+++ b/tests/unit.py
@@ -1,5 +1,5 @@
-import unittest
 import tempfile
+import unittest
 from pathlib import Path
 
 from raiden_installer import base
@@ -46,9 +46,7 @@ def setUp(self):
             token=self.token,
         )
 
-        passphrase_file = base.PassphraseFile(
-            self.configuration_file.passphrase_file_path
-        )
+        passphrase_file = base.PassphraseFile(self.configuration_file.passphrase_file_path)
         passphrase_file.store(self.account.passphrase)
 
     def test_can_save_configuration(self):
@@ -64,3 +62,7 @@ def tearDown(self):
         for config in base.RaidenConfigurationFile.get_available_configurations():
             config.passphrase_file_path.unlink()
             config.path.unlink()
+
+
+if __name__ == "__main__":
+    unittest.main()