more cleanup, remove supervisr imports

passbook/lib/utils/template.py

@@ -0,0 +1,14 @@
+"""passbook lib template utilities"""
+from django.template import Context, Template, loader
+
+
+def render_from_string(template: str, ctx: Context) -> str:
+    """Render template from string to string"""
+    template = Template(template)
+    return template.render(ctx)
+
+
+def render_to_string(template_path: str, ctx: Context) -> str:
+    """Render a template to string"""
+    template = loader.get_template(template_path)
+    return template.render(ctx)