diff --git a/bookwyrm/connectors/abstract_connector.py b/bookwyrm/connectors/abstract_connector.py
index 175253490..060b7182d 100644
--- a/bookwyrm/connectors/abstract_connector.py
+++ b/bookwyrm/connectors/abstract_connector.py
@@ -314,8 +314,9 @@ class Mapping:
         except:  # pylint: disable=bare-except
             return None
 
+
 def infer_physical_format(format_text):
-    """ try to figure out what the standardized format is from the free value """
+    """try to figure out what the standardized format is from the free value"""
     format_text = format_text.lower()
     if format_text in format_mappings:
         # try a direct match
@@ -327,8 +328,9 @@ def infer_physical_format(format_text):
             return None
         return matches[0]
 
+
 def unique_physical_format(format_text):
-    """ only store the format if it isn't diretly in the format mappings"""
+    """only store the format if it isn't diretly in the format mappings"""
     format_text = format_text.lower()
     if format_text in format_mappings:
         # try a direct match, so saving this would be redundant
diff --git a/bookwyrm/connectors/inventaire.py b/bookwyrm/connectors/inventaire.py
index 704554880..1bfd2b500 100644
--- a/bookwyrm/connectors/inventaire.py
+++ b/bookwyrm/connectors/inventaire.py
@@ -8,7 +8,7 @@ from .connector_manager import ConnectorException
 
 
 class Connector(AbstractConnector):
-    """instantiate a connector for OL"""
+    """instantiate a connector for inventaire"""
 
     def __init__(self, identifier):
         super().__init__(identifier)
diff --git a/bookwyrm/connectors/openlibrary.py b/bookwyrm/connectors/openlibrary.py
index 5177f665f..ef8a7b3db 100644
--- a/bookwyrm/connectors/openlibrary.py
+++ b/bookwyrm/connectors/openlibrary.py
@@ -43,8 +43,16 @@ class Connector(AbstractConnector):
             ),
             Mapping("publishedDate", remote_field="publish_date"),
             Mapping("pages", remote_field="number_of_pages"),
-            Mapping("physicalFormat", remote_field="physical_format", formatter=infer_physical_format),
-            Mapping("physicalFormatDetail", remote_field="physical_format", formatter=unique_physical_format),
+            Mapping(
+                "physicalFormat",
+                remote_field="physical_format",
+                formatter=infer_physical_format,
+            ),
+            Mapping(
+                "physicalFormatDetail",
+                remote_field="physical_format",
+                formatter=unique_physical_format,
+            ),
             Mapping("publishers"),
         ]
 
diff --git a/bookwyrm/migrations/0101_auto_20210929_1847.py b/bookwyrm/migrations/0101_auto_20210929_1847.py
index 2acaa127e..3fca28eac 100644
--- a/bookwyrm/migrations/0101_auto_20210929_1847.py
+++ b/bookwyrm/migrations/0101_auto_20210929_1847.py
@@ -27,7 +27,7 @@ def reverse(app_registry, schema_editor):
 class Migration(migrations.Migration):
 
     dependencies = [
-        ('bookwyrm', '0100_shelf_description'),
+        ("bookwyrm", "0100_shelf_description"),
     ]
 
     operations = [