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我想为以下函数创建 FileNotFoundError 错误，其中我使用诱变剂包的 EasyID3 类获取 mp3 文件的类型，但我仍然收到 FileNotFoundError。我正在使用 Python 3.6.5 的 Anaconda 环境

from mutagen.easyid3 import EasyID3

def getGenre(filename):
    try:
        audiofile = EasyID3(filename)
        #No genre
        if not audiofile['genre']:
            return None
        else:
            return audiofile['genre']

    except (FileNotFoundError,IOError):
        print("Wrong file or file path")


getGenre("xyz.mp3")

输出：

  FileNotFoundError                         Traceback (most recent call last) ~\Anaconda2\envs\torchenv\lib\site-packages\mutagen\_util.py in
_openfile(instance, filething, filename, fileobj, writable, create)
    234         try:
--> 235             fileobj = open(filename, "rb+" if writable else "rb")
    236         except IOError as e:

FileNotFoundError: [Errno 2] No such file or directory: 'xyz.mp3'

During handling of the above exception, another exception occurred:

MutagenError                              Traceback (most recent call last) <ipython-input-50-08d31a5afa8e> in <module>()
----> 1 getGenre("xyz.mp3")

<ipython-input-49-c80f3c838450> in getGenre(filename)
      2 def getGenre(filename):
      3     try:
----> 4         audiofile = EasyID3(filename)
      5         #No genre
      6         if not audiofile['genre']:

~\Anaconda2\envs\torchenv\lib\site-packages\mutagen\easyid3.py in
__init__(self, filename)
    168         self.__id3 = ID3()
    169         if filename is not None:
--> 170             self.load(filename)
    171 
    172     load = property(lambda s: s.__id3.load,

~\Anaconda2\envs\torchenv\lib\site-packages\mutagen\_util.py in wrapper(*args, **kwargs)
    167         def wrapper(*args, **kwargs):
    168             try:
--> 169                 return func(*args, **kwargs)
    170             except exc_dest:
    171                 raise
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