Cannot use "extra_vars"

[headcr4sh]

When trying to pass any extra_vars to the "put" step of my Ansible resource, I receive the following error:

Traceback (most recent call last):
  File "/opt/resource/out", line 449, in <module>
    rcode = r.run(os.path.basename(__file__))
  File "/opt/resource/resource.py", line 146, in run
    rcode, response = self.update(self.workfolder, source, params)
  File "/opt/resource/out", line 437, in update
    exitcode, stdout, stats = PlaybookCLI(config, self.logger).run()
  File "/opt/resource/out", line 122, in run
    variable_manager.extra_vars = load_extra_vars(loader=loader, options=extra_vars)
  File "/usr/lib/python2.7/site-packages/ansible/utils/vars.py", line 121, in load_extra_vars
    for extra_vars_opt in options.extra_vars:
AttributeError: 'dict' object has no attribute 'extra_vars'