diff --git a/Jenkinsfile b/Jenkinsfile
index cbd4f12..fb65498 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -9,7 +9,7 @@ pipeline {
         }
         stage("unit tests") {
             steps {
-                sh returnStatus: true, script: "python -m pytest --junitxml=unit_tests.xml --cov-report xml:test_coverage.xml --cov=modvcfsamples"
+                sh returnStatus: true, script: "python -m pytest --junitxml=test_results.xml --cov-report xml:test_coverage.xml --cov=modvcfsamples"
                 xunit checksName: '', tools: [JUnit(excludesPattern: '', pattern: 'test_results.xml', stopProcessingIfError: true)]
                 cobertura autoUpdateHealth: false, autoUpdateStability: false, coberturaReportFile: 'test_coverage.xml', failUnhealthy: false, failUnstable: false, maxNumberOfBuilds: 64, lineCoverageTargets: '50, 0, 0', methodCoverageTargets: '50, 0, 0', onlyStable: false, sourceEncoding: 'ASCII', zoomCoverageChart: false
             }
diff --git a/setup.py b/setup.py
index fc1f76c..6068493 100644
--- a/setup.py
+++ b/setup.py
@@ -1,3 +1,3 @@
 from setuptools import setup
 
-setup()
\ No newline at end of file
+setup()
diff --git a/tests/modvcfsamples/test_sample.py b/tests/modvcfsamples/test_sample.py
index d579299..2f1002b 100644
--- a/tests/modvcfsamples/test_sample.py
+++ b/tests/modvcfsamples/test_sample.py
@@ -1,14 +1,24 @@
-from modvcfsamples.sample import keep_specific_call_data, get_records_from_vcf, normalize_gt_to_length
+from modvcfsamples.sample import (
+    keep_specific_call_data,
+    get_records_from_vcf,
+    normalize_gt_to_length,
+)
 import os
 
+
 def test_filter_all_sample_datatypes_not_empty():
-    records, header = get_records_from_vcf(os.path.abspath("tests/resources/test_files_shortened.vcf"))
+    records, header = get_records_from_vcf(
+        os.path.abspath("tests/resources/test_files_shortened.vcf")
+    )
     filter_for = ["GT"]
     modified_records, header = keep_specific_call_data(records, header, *filter_for)
     assert len(modified_records) == 11
 
+
 def test_filter_all_sample_datatypes_filtered():
-    records, header = get_records_from_vcf(os.path.abspath("tests/resources/test_files_shortened.vcf"))
+    records, header = get_records_from_vcf(
+        os.path.abspath("tests/resources/test_files_shortened.vcf")
+    )
     filter_for = ["GT"]
     modified_records, header = keep_specific_call_data(records, header, *filter_for)
     for modified_record in modified_records:
@@ -17,14 +27,20 @@ def test_filter_all_sample_datatypes_filtered():
             for key, _ in call.data.items():
                 assert key in filter_for
 
+
 def test_normalize_gt_to_length_not_empty():
-    records, header = get_records_from_vcf(os.path.abspath("tests/resources/test_files_shortened_haploid.vcf"))
+    records, header = get_records_from_vcf(
+        os.path.abspath("tests/resources/test_files_shortened_haploid.vcf")
+    )
     modified_records, _ = normalize_gt_to_length(records, header, 4)
     assert len(modified_records) > 0
 
+
 def test_normalize_gt_to_length_gt_normalized():
-    records, header = get_records_from_vcf(os.path.abspath("tests/resources/test_files_shortened_haploid.vcf"))
+    records, header = get_records_from_vcf(
+        os.path.abspath("tests/resources/test_files_shortened_haploid.vcf")
+    )
     modified_records, _ = normalize_gt_to_length(records, header, 4)
     for modified_record in modified_records:
         for call in modified_record.calls:
-            assert len(call.data["GT"].split("|")) == 4 or "/" in call.data["GT"]
\ No newline at end of file
+            assert len(call.data["GT"].split("|")) == 4 or "/" in call.data["GT"]