Fixed python 3 return values in getDouble

Author: tvincentNuoDB

pynuodb/encodedsession.py

@@ -21,7 +21,7 @@
 from .result_set import ResultSet
 
 systemVersion = sys.version[0]
-
+REMOVE_FORMAT = 0
 class EncodedSession(Session):
     """Class for representing an encoded session with the database.
     
@@ -394,10 +394,10 @@ def putScaledInt(self, value):
         @type value decimal.Decimal
         """
         #Convert the decimal's notation into decimal
-        value += 0
+        value += REMOVE_FORMAT
         scale = abs(value.as_tuple()[2])
         valueStr = toSignedByteString(int(value * decimal.Decimal(10**scale)))
-        
+
         #If our length is more than 9 bytes we will need to send the data using ScaledCount2
         if len(valueStr) > 9:
             return self.putScaledCount2(value)
@@ -640,8 +640,9 @@ def getDouble(self):
             if typeCode < protocol.DOUBLELEN8:
                 for i in range(0, protocol.DOUBLELEN8 - typeCode):
                     test = test + chr(0)
-                if systemVersion is '3':
-                    return struct.unpack('!d', bytes(test, 'latin-1'))
+            if systemVersion is '3':
+                #Python 3 returns an array, we want the 0th element and remove form
+                return struct.unpack('!d', bytes(test, 'latin-1'))[0] + REMOVE_FORMAT
             return struct.unpack('!d', test)[0]
 
         raise DataError('Not a double')