[BUG][10.0][pos_margin] Error trying to open the module

Hello,
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Search pos_margin
Try to open the module to read it or to uninstall it
You will get this error:
Traceback (most recent call last):
  File "/.repo_requirements/odoo/odoo/http.py", line 641, in _handle_exception
    return super(JsonRequest, self)._handle_exception(exception)
  File "/.repo_requirements/odoo/odoo/http.py", line 683, in dispatch
    result = self._call_function(**self.params)
  File "/.repo_requirements/odoo/odoo/http.py", line 333, in _call_function
    return checked_call(self.db, *args, **kwargs)
  File "/.repo_requirements/odoo/odoo/service/model.py", line 101, in wrapper
    return f(dbname, *args, **kwargs)
  File "/.repo_requirements/odoo/odoo/http.py", line 326, in checked_call
    result = self.endpoint(*a, **kw)
  File "/.repo_requirements/odoo/odoo/http.py", line 941, in __call__
    return self.method(*args, **kw)
  File "/.repo_requirements/odoo/odoo/http.py", line 506, in response_wrap
    response = f(*args, **kw)
  File "/home/odoo/odoo-10.0/addons/web/controllers/main.py", line 892, in call_kw
    return self._call_kw(model, method, args, kwargs)
  File "/home/odoo/odoo-10.0/addons/web/controllers/main.py", line 884, in _call_kw
    return call_kw(request.env[model], method, args, kwargs)
  File "/.repo_requirements/odoo/odoo/api.py", line 689, in call_kw
    return call_kw_multi(method, model, args, kwargs)
  File "/.repo_requirements/odoo/odoo/api.py", line 680, in call_kw_multi
    result = method(recs, *args, **kwargs)
  File "/.repo_requirements/odoo/odoo/models.py", line 3028, in read
    values[name] = field.convert_to_read(record[name], record, use_name_get)
  File "/.repo_requirements/odoo/odoo/models.py", line 5232, in __getitem__
    return self._fields[key].__get__(self, type(self))
  File "/.repo_requirements/odoo/odoo/fields.py", line 915, in __get__
    self.determine_value(record)
  File "/.repo_requirements/odoo/odoo/fields.py", line 1027, in determine_value
    self.compute_value(recs)
  File "/.repo_requirements/odoo/odoo/fields.py", line 981, in compute_value
    self._compute_value(records)
  File "/.repo_requirements/odoo/odoo/fields.py", line 972, in _compute_value
    getattr(records, self.compute)()
  File "/.repo_requirements/odoo/odoo/addons/base/module/module.py", line 173, in _get_desc
    output = publish_string(source=module.description or '', settings_overrides=overrides, writer=MyWriter())
  File "/usr/local/lib/python2.7/dist-packages/docutils/core.py", line 414, in publish_string
    enable_exit_status=enable_exit_status)
  File "/usr/local/lib/python2.7/dist-packages/docutils/core.py", line 662, in publish_programmatically
    output = pub.publish(enable_exit_status=enable_exit_status)
  File "/usr/local/lib/python2.7/dist-packages/docutils/core.py", line 217, in publish
    self.settings)
  File "/usr/local/lib/python2.7/dist-packages/docutils/readers/__init__.py", line 72, in read
    self.parse()
  File "/usr/local/lib/python2.7/dist-packages/docutils/readers/__init__.py", line 78, in parse
    self.parser.parse(self.input, document)
  File "/usr/local/lib/python2.7/dist-packages/docutils/parsers/rst/__init__.py", line 172, in parse
    self.statemachine.run(inputlines, document, inliner=self.inliner)
  File "/usr/local/lib/python2.7/dist-packages/docutils/parsers/rst/states.py", line 170, in run
    input_source=document['source'])
  File "/usr/local/lib/python2.7/dist-packages/docutils/statemachine.py", line 239, in run
    context, state, transitions)
  File "/usr/local/lib/python2.7/dist-packages/docutils/statemachine.py", line 460, in check_line
    return method(match, context, next_state)
  File "/usr/local/lib/python2.7/dist-packages/docutils/parsers/rst/states.py", line 2726, in underline
    self.section(title, source, style, lineno - 1, messages)
  File "/usr/local/lib/python2.7/dist-packages/docutils/parsers/rst/states.py", line 327, in section
    self.new_subsection(title, lineno, messages)
  File "/usr/local/lib/python2.7/dist-packages/docutils/parsers/rst/states.py", line 395, in new_subsection
    node=section_node, match_titles=True)
  File "/usr/local/lib/python2.7/dist-packages/docutils/parsers/rst/states.py", line 282, in nested_parse
    node=node, match_titles=match_titles)
  File "/usr/local/lib/python2.7/dist-packages/docutils/parsers/rst/states.py", line 195, in run
    results = StateMachineWS.run(self, input_lines, input_offset)
  File "/usr/local/lib/python2.7/dist-packages/docutils/statemachine.py", line 239, in run
    context, state, transitions)
  File "/usr/local/lib/python2.7/dist-packages/docutils/statemachine.py", line 460, in check_line
    return method(match, context, next_state)
  File "/usr/local/lib/python2.7/dist-packages/docutils/parsers/rst/states.py", line 2726, in underline
    self.section(title, source, style, lineno - 1, messages)
  File "/usr/local/lib/python2.7/dist-packages/docutils/parsers/rst/states.py", line 326, in section
    if self.check_subsection(source, style, lineno):
  File "/usr/local/lib/python2.7/dist-packages/docutils/parsers/rst/states.py", line 355, in check_subsection
    self.parent += self.title_inconsistent(source, lineno)
  File "/usr/local/lib/python2.7/dist-packages/docutils/parsers/rst/states.py", line 373, in title_inconsistent
    line=lineno)
  File "/usr/local/lib/python2.7/dist-packages/docutils/utils/__init__.py", line 235, in severe
    return self.system_message(self.SEVERE_LEVEL, *args, **kwargs)
  File "/usr/local/lib/python2.7/dist-packages/docutils/utils/__init__.py", line 193, in system_message
    raise SystemMessage(msg, level)
SystemMessage: <string>:57: (SEVERE/4) Title level inconsistent:

Contributors
------------
cc @legalsylvain
OCA / pos

[BUG][10.0][pos_margin] Error trying to open the module #270
