diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1afafc0..589de37 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -32,8 +32,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
-        platform: [ubuntu-latest, macos-latest, windows-latest]
+        python-version: [ "3.8", "3.9", "3.10", "3.11", "3.12" ]
+        platform: [ ubuntu-latest, ] # macos-latest, windows-latest]
 
     steps:
       - uses: actions/checkout@v4
diff --git a/pyproject.toml b/pyproject.toml
index f5b740d..8bcb2fe 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -44,7 +44,7 @@ dependencies = [
 # "extras" (e.g. for `pip install .[test]`)
 [project.optional-dependencies]
 # add dependencies used for testing here
-test = ["pytest", "pytest-cov"]
+test = ["pytest", "pytest-cov", "pyarrow"]
 # add anything else you like to have in your dev environment here
 dev = [
     "black",
diff --git a/tests/test_functions.py b/tests/test_functions.py
index 79cd393..d297b55 100644
--- a/tests/test_functions.py
+++ b/tests/test_functions.py
@@ -1,11 +1,11 @@
 import warnings
 
-import mmdf
-
 with warnings.catch_warnings():
     warnings.simplefilter("ignore", DeprecationWarning)
     import pandas as pd
 
+    import mmdf
+
 
 def test_read(test_pdb_file):
     with warnings.catch_warnings():