Traceback (most recent call last):

 "/Users/khj/works/web/styleshare/pictures/operate.py", line 28, in resize
image.liquid_rescale(width, height)

 "/Users/khj/.virtualenvs/styleshare/lib/python2.7/site-packages/wand/image.py", line 1470, in liquid_rescale
self.raise_exception()

 "/Users/khj/.virtualenvs/styleshare/lib/python2.7/site-packages/wand/resource.py", line 223, in raise_exception
raise eMissingDelegateError: delegate library support not built-in `' (LQR) @ error/resize.c/LiquidRescaleImage/1900
Traceback (most recent call last):


 "/opt/pycharm-eap/helpers/pydev/pydevd.py", line 2060, in <module>

main()


 "/opt/pycharm-eap/helpers/pydev/pydevd.py", line 2054, in main

globals = debugger.run(setup['file'], None, None, is_module)


 "/opt/pycharm-eap/helpers/pydev/pydevd.py", line 1405, in run

return self._exec(is_module, entry_point_fn, module_name, file, globals, locals)


 "/opt/pycharm-eap/helpers/pydev/pydevd.py", line 1412, in _exec

pydev_imports.execfile(file, globals, locals)
# execute the script


 "/opt/pycharm-eap/helpers/pydev/_pydev_imps/_pydev_execfile.py", line 18, in execfile

exec(compile(contents+"\n", file, 'exec'), glob, loc)


 "myscript.py", line 212, in <module>

main()


 "myscript.py", line 53, in main

rendered_plan_path = render_plan(args.latest)


 "myscript.py", line 91, in render_plan

plan_renderer.render_recursive()


 "myscript.py", line 170, in render_recursive

self.render_file(template)


 "myscript.py", line 150, in render_file

rendered_template = self.j2env.get_template(template).render(config)


 "/usr/lib/python3.7/site-packages/jinja2/asyncsupport.py", line 76, in render

return original_render(self, *args, **kwargs)


 "/usr/lib/python3.7/site-packages/jinja2/environment.py", line 1008, in render

return self.environment.handle_exception(exc_info, True)


 "/usr/lib/python3.7/site-packages/jinja2/environment.py", line 780, in handle_exception

reraise(exc_type, exc_value, tb)


 "/usr/lib/python3.7/site-packages/jinja2/_compat.py", line 37, in reraise

raise value.with_traceback(tb)


 "mytemplate.tf.j2", line 11, in top-level template code

options = {{ my_missing_dictionary|tojson }}


 "/usr/lib/python3.7/site-packages/jinja2/filters.py", line 1078, in do_tojson

return htmlsafe_json_dumps(value, dumper=dumper, **options)


 "/usr/lib/python3.7/site-packages/jinja2/utils.py", line 565, in htmlsafe_json_dumps

rv = dumper(obj, **kwargs) \


 "/usr/lib/python3.7/json/__init__.py", line 238, in dumps

**kw).encode(obj)


 "/usr/lib/python3.7/json/encoder.py", line 199, in encode

chunks = self.iterencode(o, _one_shot=True)


 "/usr/lib/python3.7/json/encoder.py", line 257, in iterencode

return _iterencode(o, 0)


 "/usr/lib/python3.7/json/encoder.py", line 179, in default

raise TypeError(f'Object of type {o.__class__.__name__} '
TypeError: Object of type StrictUndefined is not JSON serializable
