try to install in medical module in 6.1 version this error happens:
Server Traceback (most recent call last):
File "/Users/ovnicraft/development/openerp/61/web61/addons/web/common/http.py", line 593, in send
return openerp.netsvc.dispatch_rpc(service_name, method, args)
File "/Users/ovnicraft/development/openerp/61/server/openerp/netsvc.py", line 360, in dispatch_rpc
result = ExportService.getService(service_name).dispatch(method, params)
File "/Users/ovnicraft/development/openerp/61/server/openerp/service/web_services.py", line 586, in dispatch
res = fn(db, uid, *params)
File "/Users/ovnicraft/development/openerp/61/server/openerp/osv/osv.py", line 167, in execute_kw
return self.execute(db, uid, obj, method, *args, **kw or {})
File "/Users/ovnicraft/development/openerp/61/server/openerp/osv/osv.py", line 121, in wrapper
return f(self, dbname, *args, **kwargs)
File "/Users/ovnicraft/development/openerp/61/server/openerp/osv/osv.py", line 176, in execute
res = self.execute_cr(cr, uid, obj, method, *args, **kw)
File "/Users/ovnicraft/development/openerp/61/server/openerp/osv/osv.py", line 164, in execute_cr
return getattr(object, method)(cr, uid, *args, **kw)
File "/Users/ovnicraft/development/openerp/61/server/openerp/addons/base/module/wizard/base_module_upgrade.py", line 101, in upgrade_module
_db, pool = pooler.restart_pool(cr.dbname, update_module=True)
File "/Users/ovnicraft/development/openerp/61/server/openerp/pooler.py", line 39, in restart_pool
registry = RegistryManager.new(db_name, force_demo, status, update_module, True)
File "/Users/ovnicraft/development/openerp/61/server/openerp/modules/registry.py", line 202, in new
openerp.modules.load_modules(registry.db, force_demo, status, update_module)
File "/Users/ovnicraft/development/openerp/61/server/openerp/modules/loading.py", line 338, in load_modules
processed = load_marked_modules(cr, graph, states_to_load, force, status, report, loaded_modules)
File "/Users/ovnicraft/development/openerp/61/server/openerp/modules/loading.py", line 253, in load_marked_modules
loaded, processed = load_module_graph(cr, graph, progressdict, report=report, skip_modules=loaded_modules)
File "/Users/ovnicraft/development/openerp/61/server/openerp/modules/loading.py", line 165, in load_module_graph
load_openerp_module(package.name)
File "/Users/ovnicraft/development/openerp/61/server/openerp/modules/module.py", line 409, in load_openerp_module
__import__('openerp.addons.' + module_name)
File "/Users/ovnicraft/development/openerp/61/server/openerp/modules/module.py", line 139, in load_module
mod = imp.load_module('openerp.addons.' + module_part, f, path, descr)
File "/Users/ovnicraft/development/openerp/medical-openerp-6.1/medical/__init__.py", line 2, in <module>
import medical
File "/Users/ovnicraft/development/openerp/medical-openerp-6.1/medical/medical.py", line 20, in <module>
from mx import DateTime
ImportError: No module named mx
Note: use of mx.xxx is being deprecated since 6.x in OpenERP.
The stdlib datetime module is pushed forward as well as python-dateutils.