I generate xls file from odoo, the code works in my laptop but in server machine it doesn't i tried the both commands:

1- sudo chmod -R 777 /usr/local/lib/python3.6/

2-sudo chown -R 777 /odoo/

but nothing has changed

Thanks for help

Erreur:
Odoo Server Error

Traceback (most recent call last):
File "/odoo/odoo-server/odoo/http.py", line 656, in _handle_exception
return super(JsonRequest, self)._handle_exception(exception)
File "/odoo/odoo-server/odoo/http.py", line 314, in _handle_exception
raise pycompat.reraise(type(exception), exception, sys.exc_info()[2])
File "/odoo/odoo-server/odoo/tools/pycompat.py", line 87, in reraise
raise value
File "/odoo/odoo-server/odoo/http.py", line 698, in dispatch
result = self._call_function(**self.params)
File "/odoo/odoo-server/odoo/http.py", line 346, in _call_function
return checked_call(self.db, *args, **kwargs)
File "/odoo/odoo-server/odoo/service/model.py", line 97, in wrapper
return f(dbname, *args, **kwargs)
File "/odoo/odoo-server/odoo/http.py", line 339, in checked_call
result = self.endpoint(*a, **kw)
File "/odoo/odoo-server/odoo/http.py", line 941, in __call__
return self.method(*args, **kw)
File "/odoo/odoo-server/odoo/http.py", line 519, in response_wrap
response = f(*args, **kw)
File "/odoo/odoo-server/addons/web/controllers/main.py", line 966, in call_button
action = self._call_kw(model, method, args, {})
File "/odoo/odoo-server/addons/web/controllers/main.py", line 954, in _call_kw
return call_kw(request.env[model], method, args, kwargs)
File "/odoo/odoo-server/odoo/api.py", line 749, in call_kw
return _call_kw_multi(method, model, args, kwargs)
File "/odoo/odoo-server/odoo/api.py", line 736, in _call_kw_multi
result = method(recs, *args, **kwargs)
File "/odoo/custom/lsee/quality_pharm_report/wizard/dangerous_product_balance_wizard.py", line 20, in print_report_xls
return self.env['report.xls'].report_action(workbook, _('Dangerous product Excel'))
File "/odoo/custom/lsee/report_xls/wizard/report_xls.py", line 21, in report_action
workbook.save(filename)
File "/usr/local/lib/python3.6/dist-packages/xlwt/Workbook.py", line 710, in save
doc.save(filename_or_stream, self.get_biff_data())
File "/usr/local/lib/python3.6/dist-packages/xlwt/CompoundDoc.py", line 262, in save
f = open(file_name_or_filelike_obj, 'w+b')
PermissionError: [Errno 13] Permission denied: 'Produits dangereux Excel.xls'