all the modules in my odoo 8 shows these errors when I try to download it :
Odoo Server Error Traceback (most recent call last): File "/home/afnan/Desktop/odoo-8.0/openerp/http.py", line 530, in _handle_exception return super(JsonRequest, self)._handle_exception(exception) File "/home/afnan/Desktop/odoo-8.0/openerp/http.py", line 567, in dispatch result = self._call_function(**self.params) File "/home/afnan/Desktop/odoo-8.0/openerp/http.py", line 303, in _call_function return checked_call(self.db, *args, **kwargs) File "/home/afnan/Desktop/odoo-8.0/openerp/service/model.py", line 113, in wrapper return f(dbname, *args, **kwargs) File "/home/afnan/Desktop/odoo-8.0/openerp/http.py", line 300, in checked_call return self.endpoint(*a, **kw) File "/home/afnan/Desktop/odoo-8.0/openerp/http.py", line 796, in __call__ return self.method(*args, **kw) File "/home/afnan/Desktop/odoo-8.0/openerp/http.py", line 396, in response_wrap response = f(*args, **kw) File "/home/afnan/Desktop/odoo-8.0/addons/web/controllers/main.py", line 953, in call_button action = self._call_kw(model, method, args, {}) File "/home/afnan/Desktop/odoo-8.0/addons/web/controllers/main.py", line 941, in _call_kw return getattr(request.registry.get(model), method)(request.cr, request.uid, *args, **kwargs) File "/home/afnan/Desktop/odoo-8.0/openerp/api.py", line 241, in wrapper return old_api(self, *args, **kwargs) File "/home/afnan/Desktop/odoo-8.0/openerp/addons/base/module/module.py", line 450, in button_immediate_install return self._button_immediate_function(cr, uid, ids, self.button_install, context=context) File "/home/afnan/Desktop/odoo-8.0/openerp/api.py", line 241, in wrapper return old_api(self, *args, **kwargs) File "/home/afnan/Desktop/odoo-8.0/openerp/addons/base/module/module.py", line 498, in _button_immediate_function registry = openerp.modules.registry.RegistryManager.new(cr.dbname, update_module=True) File "/home/afnan/Desktop/odoo-8.0/openerp/modules/registry.py", line 366, in new openerp.modules.load_modules(registry._db, force_demo, status, update_module) File "/home/afnan/Desktop/odoo-8.0/openerp/modules/loading.py", line 355, in load_modules loaded_modules, update_module) File "/home/afnan/Desktop/odoo-8.0/openerp/modules/loading.py", line 255, in load_marked_modules loaded, processed = load_module_graph(cr, graph, progressdict, report=report, skip_modules=loaded_modules, perform_checks=perform_checks) File "/home/afnan/Desktop/odoo-8.0/openerp/modules/loading.py", line 143, in load_module_graph load_openerp_module(package.name) File "/home/afnan/Desktop/odoo-8.0/openerp/modules/module.py", line 315, in load_openerp_module __import__('openerp.addons.' + module_name) File "/home/afnan/Desktop/odoo-8.0/openerp/modules/module.py", line 80, in load_module mod = imp.load_module('openerp.addons.' + module_part, f, path, descr) File "/home/afnan/Desktop/odoo-8.0/My_addons/Open_academy/__init__.py", line 1, in <module> import Course ImportError: No module named Course