fix linting error

Author: ldsantos0911

pyiceberg/schema.py

@@ -1617,9 +1617,11 @@ def promote(file_type: IcebergType, read_type: IcebergType) -> IcebergType:
     else:
         raise ResolveError(f"Cannot promote {file_type} to {read_type}")
 
+
 @promote.register(UnknownType)
 def _(file_type: UnknownType, read_type: IcebergType) -> IcebergType:
-    return read_type # Per V3 Spec, "Unknown" can be promoted to any type
+    return read_type  # Per V3 Spec, "Unknown" can be promoted to any type
+
 
 @promote.register(IntegerType)
 def _(file_type: IntegerType, read_type: IcebergType) -> IcebergType:

tests/test_schema.py

@@ -54,8 +54,8 @@
     TimestampType,
     TimestamptzType,
     TimeType,
+    UnknownType,
     UUIDType,
-    UnknownType
 )
 
 TEST_PRIMITIVE_TYPES = [
@@ -75,7 +75,7 @@
     FixedType(16),
     FixedType(20),
     UUIDType(),
-    UnknownType()
+    UnknownType(),
 ]