diff --git a/pyobis/checklist/checklist.py b/pyobis/checklist/checklist.py
index 8fb08f73..e9735690 100644
--- a/pyobis/checklist/checklist.py
+++ b/pyobis/checklist/checklist.py
@@ -1,6 +1,7 @@
 """
 /checklist/ API endpoints as documented on https://api.obis.org/.
 """
+
 import sys
 
 import pandas as pd
diff --git a/pyobis/checklist/test_checklist.py b/pyobis/checklist/test_checklist.py
index 777f8cef..2fe016ce 100644
--- a/pyobis/checklist/test_checklist.py
+++ b/pyobis/checklist/test_checklist.py
@@ -1,4 +1,5 @@
 """Tests for checklist module"""
+
 import pytest
 import requests
 
diff --git a/pyobis/dataset/test_dataset.py b/pyobis/dataset/test_dataset.py
index 02d33877..6425150f 100644
--- a/pyobis/dataset/test_dataset.py
+++ b/pyobis/dataset/test_dataset.py
@@ -1,4 +1,5 @@
 """Tests for dataset module"""
+
 import pytest
 import requests
 
diff --git a/pyobis/nodes/test_nodes.py b/pyobis/nodes/test_nodes.py
index 32a64403..360a42ba 100644
--- a/pyobis/nodes/test_nodes.py
+++ b/pyobis/nodes/test_nodes.py
@@ -1,4 +1,5 @@
 """Tests for nodes module"""
+
 import pytest
 import requests
 
diff --git a/pyobis/obisutils.py b/pyobis/obisutils.py
index c063a552..6fdd790e 100644
--- a/pyobis/obisutils.py
+++ b/pyobis/obisutils.py
@@ -1,6 +1,7 @@
 """
 Utility functions for internal use across various modules.
 """
+
 from urllib.parse import urlencode
 
 import requests
diff --git a/pyobis/occurrences/test_occurrence.py b/pyobis/occurrences/test_occurrence.py
index dc4ea41f..0e863d62 100644
--- a/pyobis/occurrences/test_occurrence.py
+++ b/pyobis/occurrences/test_occurrence.py
@@ -1,4 +1,5 @@
 """Tests for occurrences module methods"""
+
 import pytest
 import requests
 
diff --git a/pyobis/taxa/taxa.py b/pyobis/taxa/taxa.py
index 2664a14c..f1d403d6 100644
--- a/pyobis/taxa/taxa.py
+++ b/pyobis/taxa/taxa.py
@@ -1,6 +1,7 @@
 """
 /taxon/ API endpoints as documented on https://api.obis.org/.
 """
+
 import pandas as pd
 
 from ..obisutils import build_api_url, handle_arrstr, obis_baseurl, obis_GET
diff --git a/pyobis/taxa/test_taxa.py b/pyobis/taxa/test_taxa.py
index 8f42a9fc..7cb0f7b7 100644
--- a/pyobis/taxa/test_taxa.py
+++ b/pyobis/taxa/test_taxa.py
@@ -1,4 +1,5 @@
 """Tests for taxa module - search methods"""
+
 import pytest
 import requests