fix: assignment instead of import for mkdocs

Author: msto

fgpyo/util/inspect.py

@@ -37,8 +37,8 @@
     import attr
 
     _use_attr = True
-    from attr import fields as get_attr_fields
-    from attr import fields_dict as get_attr_fields_dict
+    get_attr_fields = attr.fields
+    get_attr_fields_dict = attr.fields_dict
 
     Attribute: TypeAlias = attr.Attribute  # type: ignore[name-defined,union-attr]
     # dataclasses and attr have internal tokens for missing values, join into a set so that we can