diff --git a/build.py b/build.py
index 6e884c8..66e08b7 100644
--- a/build.py
+++ b/build.py
@@ -1,12 +1,16 @@
-import glob
 import os
 import subprocess
-from itertools import chain
+from pathlib import Path
 
-armaclass_path = 'armaclass'
+armaclass_path = Path('armaclass')
 types = ('*.html', '*.c', '*.cpp', '*.pyd', '*.so')
-files_to_delete = chain(*(glob.glob(os.path.join(armaclass_path, file_type)) for file_type in types))
+
+files_to_delete = []
+for file_type in types:
+    files_to_delete.extend(armaclass_path.glob(file_type))
+
 for file_path in files_to_delete:
+    print('Deleting', file_path)
     os.remove(file_path)
 
 subprocess.run('python setup_cython.py build_ext --inplace --force', shell=True, check=True)
diff --git a/setup.py b/setup.py
index 7c58fb0..c4c901b 100644
--- a/setup.py
+++ b/setup.py
@@ -1,13 +1,13 @@
 import os
 import platform
 import sys
+from pathlib import Path
 
 from setuptools import setup
 
 # read the contents of your README file
-this_directory = os.path.abspath(os.path.dirname(__file__))
-with open(os.path.join(this_directory, 'README.md'), encoding='utf-8') as f:
-    long_description = f.read()
+this_directory = Path(__file__).parent
+long_description = (this_directory / 'README.md').read_text(encoding='utf-8')
 
 ext_modules = None
 if not any(arg in sys.argv for arg in ['clean', 'check']) and \
@@ -23,7 +23,7 @@
             compiler_directives['linetrace'] = True
 
         ext_modules = cythonize(
-            os.path.join('armaclass', 'parser.py'),
+            str(this_directory / 'armaclass' / 'parser.py'),
             language_level=3,
             compiler_directives=compiler_directives,
         )
diff --git a/setup_cython.py b/setup_cython.py
index 8ec0562..8912ac6 100644
--- a/setup_cython.py
+++ b/setup_cython.py
@@ -1,10 +1,12 @@
-import os
+from pathlib import Path
 
-from setuptools import setup
 from Cython.Build import cythonize
+from setuptools import setup
+
+this_directory = Path(__file__).parent
 
 setup(
-    ext_modules=cythonize(os.path.join('armaclass', 'parser.py'),
+    ext_modules=cythonize(str(this_directory / 'armaclass' / 'parser.py'),
                           language_level=3,
                           annotate=True,
                           ),
diff --git a/tests/testconfig.py b/tests/testconfig.py
index d78f514..89d5f53 100644
--- a/tests/testconfig.py
+++ b/tests/testconfig.py
@@ -1,6 +1,5 @@
 import json
 import lzma
-import os
 import sys
 import time
 from itertools import zip_longest
@@ -9,7 +8,7 @@
 current_dir = Path(__file__).parent
 sys.path.insert(0, str(current_dir.parent))
 
-import armaclass
+import armaclass  # noqa
 
 CONFIG_CPP = current_dir / 'config_data' / 'config.cpp'
 CONFIG_JSON = current_dir / 'config_data' / 'config.json'
@@ -44,7 +43,7 @@
         raise
 
 
-import pstats, cProfile
+import pstats, cProfile  # noqa
 
 # import pyximport
 # pyximport.install()
@@ -128,5 +127,6 @@ def compare_lists_equal(model, current, path=''):
             error = f'{path}[{i}] == {item_current} instead of {item_model}'
             raise ValueError(error)
 
+
 # COMPARE HERE
 compare_dicts_equal(model, parsed)