Simplify transform_multipart_body macro

Author: dbanty

openapi_python_client/templates/endpoint_macros.py.jinja

@@ -84,7 +84,7 @@ _kwargs["json"] = {{ property.python_name }}
 {% set property = body.prop %}
 {% import "property_templates/" + property.template as prop_template %}
 {% if prop_template.transform_multipart_body %}
-{{ prop_template.transform_multipart_body(property, property.python_name) }}
+{{ prop_template.transform_multipart_body(property) }}
 {% endif %}
 {% endmacro %}
 

openapi_python_client/templates/property_templates/model_property.py.jinja

@@ -22,12 +22,12 @@ if not isinstance({{ source }}, Unset):
 {%- endif %}
 {% endmacro %}
 
-{% macro transform_multipart_body(property, source) %}
-{% set transformed = source + ".to_multipart()" %}
+{% macro transform_multipart_body(property) %}
+{% set transformed = property.python_name + ".to_multipart()" %}
 {% if property.required %}
 _kwargs["files"] = {{ transformed }}
 {%- else %}
-if not isinstance({{ source }}, Unset):
+if not isinstance({{ property.python_name }}, Unset):
     _kwargs["files"] = {{ transformed }}
 {%- endif %}
 {% endmacro %}