greetings GNUHealth have recently installed in a virtual machine in VirtualBox 
to test it but I've run into several errors by solving I've been slowly, but 
one of them is this that put full then happens when trying to print a 
medication récipe:

 Traceback (mostrecent call last):
  File "/trytond/protocols/jsonrpc.py",line 150, in _marshaled_dispatch
   response['result'] = dispatch_method(method, params)
  File"/trytond/protocols/jsonrpc.py", line 179, in _dispatch
   res = dispatch(*args)
  File"/trytond/protocols/dispatcher.py", line 161, indispatch
    result = rpc.result(meth(*c_args,**c_kwargs))
  File "/trytond/report/report.py",line 144, in execute
    type, data =cls.parse(action_report, records, data, {})
  File"/trytond/report/report.py", line 293, in parse
   data = rel_report(**localcontext).render()
  File"/relatorio/templates/base.py", line 34, in render
   return self.serializer(self.events)
  File"/relatorio/templates/opendocument.py", line 855, in__call__
    for kind, data, pos in stream:
 File "/genshi/core.py", line 289, in _ensure
   for event in stream:
  File "/genshi/filters/i18n.py",line 690, in __call__
    for kind, data, pos instream:
  File "/genshi/template/base.py", line618, in _include
    for event in stream:
 File "/genshi/template/markup.py", line 326, in _match
   for event in stream:
  File "/genshi/template/base.py",line 578, in _flatten
    result = _eval_expr(data,ctxt, vars)
  File "/genshi/template/base.py", line289, in _eval_expr
    retval =expr.evaluate(ctxt)
  File "/genshi/template/eval.py",line 177, in evaluate
    return eval(self.code,_globals, {'__data__': data})
  File "<string>",line 1, in 
<Expressionu'formatLang(prescription.report_prescription_date,user.language)'>
  File "/genshi/template/eval.py",line 317, in lookup_attr
    val = getattr(obj,key)
  File "/trytond/report/report.py", line 172,in __getattr__
    return getattr(record, name)
 File "/trytond/model/fields/field.py", line 213, in__get__
    return inst.__getattr__(self.name)
 File "/trytond/model/modelstorage.py", line 1312, in__getattr__
    read_data = self.read(list(ids),ffields.keys())
  File "/trytond/model/modelsql.py",line 645, in read
    getter_results =field.get(ids, cls, field_list, values=result)
  File"/trytond/model/fields/function.py", line 86, in get
   return dict((name, call(name)) for name in names)
  File"/trytond/model/fields/function.py", line 86, in<genexpr>
    return dict((name, call(name))for name in names)
  File"/trytond/model/fields/function.py", line 80, in call
   return dict((r.id, method(r, name)) for r in records)
  File"/trytond/model/fields/function.py", line 80, in<genexpr>
    return dict((r.id, method(r,name)) for r in records)
  File"/trytond/modules/health/health.py", line 3772, 
inget_report_prescription_date
    returndatetime.astimezone(dt.replace(tzinfo=pytz.utc),timezone).date()
TypeError: astimezone() argument 1 must bedatetime.tzinfo, not None

   I am using Ubuntu 14.04 on VirtualBox and GNUHealth version is 2.8.1


 I appreciate any guidance.
Att. Ronal
 

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