ho il seguente errore durante l'installazione del modulo di fatturazione

Errore:Odoo Server ErrorTraceback (most recent call last): 
 File "/usr/lib/python3.7/site-packages/odoo/http.py", line 651, in _handle_exception    return super(JsonRequest, self)._handle_exception(exception) 
 File "/usr/lib/python3.7/site-packages/odoo/http.py", line 310, in _handle_exception    raise pycompat.reraise(type(exception), exception, sys.exc_info()[2])  
File "/usr/lib/python3.7/site-packages/odoo/tools/pycompat.py", line 87, in reraise    raise value  
File "/usr/lib/python3.7/site-packages/odoo/http.py", line 693, in dispatch    result = self._call_function(**self.params)  
File "/usr/lib/python3.7/site-packages/odoo/http.py", line 342, in _call_function    return checked_call(self.db, *args, **kwargs)  
File "/usr/lib/python3.7/site-packages/odoo/service/model.py", line 97, in wrapper    return f(dbname, *args, **kwargs)  
File "/usr/lib/python3.7/site-packages/odoo/http.py", line 335, in checked_call    result = self.endpoint(*a, **kw)  
File "/usr/lib/python3.7/site-packages/odoo/http.py", line 937, in __call__    return self.method(*args, **kw)  
File "/usr/lib/python3.7/site-packages/odoo/http.py", line 515, in response_wrap  response = f(*args, **kw)  
File "/usr/lib/python3.7/site-packages/odoo/addons/web/controllers/main.py", line 938, in call_button    action = self._call_kw(model, method, args, {})  
File "/usr/lib/python3.7/site-packages/odoo/addons/web/controllers/main.py", line 926, in _call_kw    return call_kw(request.env[model], method, args, kwargs)  
File "/usr/lib/python3.7/site-packages/odoo/api.py", line 689, in call_kw    return call_kw_multi(method, model, args, kwargs)  
File "/usr/lib/python3.7/site-packages/odoo/api.py", line 680, in call_kw_multi    result = method(recs, *args, **kwargs) 
 File "<decorator-gen-42>", line 2, in button_immediate_install  File "/usr/lib/python3.7/site-packages/odoo/addons/base/module/module.py", line 71, in check_and_log    return method(self, *args, **kwargs)  
File "/usr/lib/python3.7/site-packages/odoo/addons/base/module/module.py", line 449, in button_immediate_install    return self._button_immediate_function(type(self).button_install)  
File "/usr/lib/python3.7/site-packages/odoo/addons/base/module/module.py", line 542, in _button_immediate_function    modules.registry.Registry.new(self._cr.dbname, update_module=True)  
File "/usr/lib/python3.7/site-packages/odoo/modules/registry.py", line 85, in new    odoo.modules.load_modules(registry._db, force_demo, status, update_module)  
File "/usr/lib/python3.7/site-packages/odoo/modules/loading.py", line 380, in load_modules    loaded_modules, update_module, models_to_check)  
File "/usr/lib/python3.7/site-packages/odoo/modules/loading.py", line 274, in load_marked_modules    perform_checks=perform_checks, models_to_check=models_to_check  
File "/usr/lib/python3.7/site-packages/odoo/modules/loading.py", line 181, in load_module_graph    _load_data(cr, module_name, idref, mode, kind='data')  
File "/usr/lib/python3.7/site-packages/odoo/modules/loading.py", line 95, in _load_data    tools.convert_file(cr, module_name, filename, idref, mode, noupdate, kind, report)  
File "/usr/lib/python3.7/site-packages/odoo/tools/convert.py", line 789, in convert_file    convert_yaml_import(cr, module, fp, kind, idref, mode, noupdate, report) 
 File "/usr/lib/python3.7/site-packages/odoo/tools/yaml_import.py", line 854, in yaml_import    yaml_interpreter.process(yaml_string)  
File "/usr/lib/python3.7/site-packages/odoo/tools/yaml_import.py", line 794, in process    for node in yaml.load(yaml_string): 
 File "/usr/lib64/python3.7/site-packages/yaml/__init__.py", line 114, in load    return loader.get_single_data()  
File "/usr/lib64/python3.7/site-packages/yaml/constructor.py", line 43, in get_single_data    return self.construct_document(node)  
File "/usr/lib64/python3.7/site-packages/yaml/constructor.py", line 52, in construct_document    for dummy in generator: 
 File "/usr/lib64/python3.7/site-packages/yaml/constructor.py", line 404, in construct_yaml_map    value = self.construct_mapping(node) 
 File "/usr/lib64/python3.7/site-packages/yaml/constructor.py", line 210, in construct_mapping    return super().construct_mapping(node, deep=deep)  
File "/usr/lib64/python3.7/site-packages/yaml/constructor.py", line 131, in construct_mapping    key = self.construct_object(key_node, deep=deep)  
File "/usr/lib64/python3.7/site-packages/yaml/constructor.py", line 92, in construct_object    data = constructor(self, node) 
 File "/usr/lib64/python3.7/site-packages/yaml/constructor.py", line 420, in construct_undefined    node.start_mark)yaml.constructor.ConstructorError: could not determine a constructor for the tag '!python'  in "<byte string>", line 2, column 3:      !python {model: account.chart.te ...       ^