diff --git a/software/pyproject.toml b/software/pyproject.toml
index 4f299e7..b58a7e8 100644
--- a/software/pyproject.toml
+++ b/software/pyproject.toml
@@ -12,7 +12,8 @@ dependencies = [
 
 [tool.pyrefly]
 project-includes = ["**/*"]
-project-excludes = ['**/*venv/**\*']
+project-excludes = ["**/.venv"]
+search-path = ["script"]
 
 [dependency-groups]
 dev = [
diff --git a/software/script/chameleon_cli_unit.py b/software/script/chameleon_cli_unit.py
index 0ebd2b7..51b89f1 100644
--- a/software/script/chameleon_cli_unit.py
+++ b/software/script/chameleon_cli_unit.py
@@ -354,7 +354,7 @@ class MFUAuthArgsUnit(ReaderRequiredUnit):
         def key_parser(key: str) -> bytes:
             try:
                 key = bytes.fromhex(key)
-            except:
+            except ValueError:
                 raise ValueError("Key should be a hex string")
 
             if len(key) not in [4, 16]:
diff --git a/software/script/tests/test_crypto1.py b/software/script/tests/test_crypto1.py
index db24cbe..bae62ac 100644
--- a/software/script/tests/test_crypto1.py
+++ b/software/script/tests/test_crypto1.py
@@ -1,11 +1,13 @@
 #!/usr/bin/env python3
-import os, sys, unittest
+import os
+import sys
+import unittest
+from crypto1 import Crypto1
 
 CURRENT_DIR = os.path.split(os.path.abspath(__file__))[0]
 config_path = CURRENT_DIR.rsplit(os.sep, 1)[0]
 sys.path.append(config_path)
 print(config_path)
-from crypto1 import Crypto1
 
 class TestCrypto1(unittest.TestCase):