diff --git a/doccano_client/repositories/base.py b/doccano_client/repositories/base.py
index 7f3760a..20a9ea9 100644
--- a/doccano_client/repositories/base.py
+++ b/doccano_client/repositories/base.py
@@ -22,9 +22,9 @@ def get_next_url(base_url: str, initial_url: str, response_data: dict) -> Option
         The adjusted url to get the next page or None when no next page is available
 
     """
-    if response_data.get('next') is None:
+    if response_data.get("next") is None:
         return None
-    next_url = response_data['next']
+    next_url = response_data["next"]
     try:
         resource = initial_url[len(base_url) :]
         _, next_suffix = next_url.split(resource)
diff --git a/tests/unit/repositories/test_base.py b/tests/unit/repositories/test_base.py
index 200f213..6ee426d 100644
--- a/tests/unit/repositories/test_base.py
+++ b/tests/unit/repositories/test_base.py
@@ -6,50 +6,50 @@
 
 
 @pytest.mark.parametrize(
-    'base_url,initial_request_url,response_url,next_url',
+    "base_url,initial_request_url,response_url,next_url",
     [
         (
-            'https://hostname.ca',
-            'https://hostname.ca/projects',
-            'http://hostname.ca/projects?limit=5&offset=5',
-            'https://hostname.ca/projects?limit=5&offset=5',
+            "https://hostname.ca",
+            "https://hostname.ca/projects",
+            "http://hostname.ca/projects?limit=5&offset=5",
+            "https://hostname.ca/projects?limit=5&offset=5",
         ),
         (
-            'https://hostname.ca',
-            'https://hostname.ca/projects',
-            'http://localhost:3000/projects?limit=5&offset=5',
-            'https://hostname.ca/projects?limit=5&offset=5',
+            "https://hostname.ca",
+            "https://hostname.ca/projects",
+            "http://localhost:3000/projects?limit=5&offset=5",
+            "https://hostname.ca/projects?limit=5&offset=5",
         ),
         (
-            'https://hostname.ca',
-            'https://hostname.ca/projects',
-            'http://localhost:3000/projects?limit=5&offset=5',
-            'https://hostname.ca/projects?limit=5&offset=5',
+            "https://hostname.ca",
+            "https://hostname.ca/projects",
+            "http://localhost:3000/projects?limit=5&offset=5",
+            "https://hostname.ca/projects?limit=5&offset=5",
         ),
         (
-            'https://hostname.ca',
-            'https://hostname.ca/projects',
-            'https://hostname.ca/projects?limit=5&offset=5',
-            'https://hostname.ca/projects?limit=5&offset=5',
+            "https://hostname.ca",
+            "https://hostname.ca/projects",
+            "https://hostname.ca/projects?limit=5&offset=5",
+            "https://hostname.ca/projects?limit=5&offset=5",
         ),
     ],
 )
 def test_get_next_url(base_url, initial_request_url, response_url, next_url):
-    url = get_next_url(base_url, initial_request_url, {'next': response_url})
+    url = get_next_url(base_url, initial_request_url, {"next": response_url})
     assert url == next_url
 
 
 @pytest.mark.parametrize(
-    'base_url,initial_request_url,response_url',
+    "base_url,initial_request_url,response_url",
     [
         (
-            'https://hostname.ca',
-            'https://hostname.ca/projects',
-            'http://hostname.ca/things?limit=5&offset=5',
+            "https://hostname.ca",
+            "https://hostname.ca/projects",
+            "http://hostname.ca/things?limit=5&offset=5",
         ),
     ],
 )
 def test_get_next_url_error(base_url, initial_request_url, response_url):
     # should return the unmodified url when in doubt
-    url = get_next_url(base_url, initial_request_url, {'next': response_url})
+    url = get_next_url(base_url, initial_request_url, {"next": response_url})
     assert url == response_url