fix formatting

terracotta/handlers/metadata.py

@@ -10,7 +10,9 @@
 from terracotta.profile import trace
 
 
-def filter_metadata(metadata: Dict[str, Any], columns: Optional[List[str]]) -> Dict[str, Any]:
+def filter_metadata(
+    metadata: Dict[str, Any], columns: Optional[List[str]]
+) -> Dict[str, Any]:
     """Filter metadata by columns, if given"""
     assert columns is None or len(columns) > 0, "columns must either be a non-empty list or None"
 
@@ -21,7 +23,9 @@ def filter_metadata(metadata: Dict[str, Any], columns: Optional[List[str]]) -> D
 
 
 @trace("metadata_handler")
-def metadata(columns: Optional[List[str]], keys: Union[Sequence[str], Mapping[str, str]]) -> Dict[str, Any]:
+def metadata(
+    columns: Optional[List[str]], keys: Union[Sequence[str], Mapping[str, str]]
+) -> Dict[str, Any]:
     """Returns all metadata for a single dataset"""
     settings = get_settings()
     driver = get_driver(settings.DRIVER_PATH, provider=settings.DRIVER_PROVIDER)
@@ -31,7 +35,9 @@ def metadata(columns: Optional[List[str]], keys: Union[Sequence[str], Mapping[st
 
 
 @trace("multiple_metadata_handler")
-def multiple_metadata(columns: Optional[List[str]], datasets: List[List[str]]) -> List[Dict[str, Any]]:
+def multiple_metadata(
+    columns: Optional[List[str]], datasets: List[List[str]]
+) -> List[Dict[str, Any]]:
     """Returns all metadata for multiple datasets"""
     settings = get_settings()
     driver = get_driver(settings.DRIVER_PATH, provider=settings.DRIVER_PROVIDER)

terracotta/server/metadata.py

@@ -58,15 +58,13 @@ def _deserialize(self, value, attr, data, **kwargs):
             if value == "[]":
                 return []
 
-            return value[1:-1].split(', ')
+            return value[1:-1].split(", ")
         except ValueError:
             raise ValidationError("Invalid input for a list of values.")
 
 
 class MetadataColumnsSchema(Schema):
-    columns = CommaSeparatedListField(
-        description="Columns of dataset to be returned"
-    )
+    columns = CommaSeparatedListField(description="Columns of dataset to be returned")
 
 
 class MultipleMetadataDatasetsSchema(Schema):