[web2py] Firebird - accessing DB leads to a ticket

[villas]

With trunk I now get this:
Traceback (most recent call last):
  File "C:\Users\David\web2py\gluon\dal.py", line 6726, in __init__
    self._adapter = ADAPTERS[self._dbname](*args)
  File "C:\Users\David\web2py\gluon\dal.py", line 3208, in __init__
    self.driver = fdb
NameError: global name 'fdb' is not defined

I have not installed fdb yet, but I think the above is a problem whether I 
have installed it or not?
Thanks, D

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