python - UnicodeDecodeError: while writing into a file -

i error while writing file. how can handle this.

traceback (most recent call last):   file "c:\python27\aureusbaxprojectfb.py", line 278, in <module>     rows = [[unicode(x) x in row] row in outlist] unicodedecodeerror: 'ascii' codec can't decode byte 0xe0 in position 0: ordinal not in range(128) >>>  

code writing file

class unicodewriter:     """     csv writer write rows csv file "f",     encoded in given encoding.     """      def __init__(self, f, dialect=csv.excel, encoding="utf-8", **kwds):         # redirect output queue         self.queue = cstringio.stringio()         self.writer = csv.writer(self.queue, dialect=dialect, **kwds)         self.stream = f         self.encoder = codecs.getincrementalencoder(encoding)()      def writerow(self, row):         self.writer.writerow([s.encode("utf-8") s in row])         # fetch utf-8 output queue ...         data = self.queue.getvalue()         data = data.decode("utf-8")         # ... , reencode target encoding         data = self.encoder.encode(data)         # write target stream         self.stream.write(data)         # empty queue         self.queue.truncate(0)      def writerows(self, rows):         row in rows:             self.writerow(row)  open('c:/users/desktop/fboutput.csv', 'wb') f:     writer = unicodewriter(f)     rows = [[unicode(x) x in row] row in outlist]     writer.writerows(rows) 

i using beautifulsoup parse html data , thats working fine. error while writing file.

unicode() constructor defined unicode(string[, encoding, errors]) , encoding has default ascii. if multi-byte string in outlist, should appoint unicode encode utf-8.