List comprehension (done bad) for everybody!

As I was trying to fix a test, I found this masterpiece of Python code (edited a bit to highlight its resourcefulness):

def getModuleHooks(self):
    ModuleHooks = []
    for path, dirs, files in os.walk('/some/directory'):
        for file in [filename for filename in files]:
            if fnmatch.fnmatch(filename, '*.bar'):
                joined = os.path.join('hooks', file)
    return ModuleHooks

There are several offenders there: iterating over a list comprehension, and using the variable from inside the comprehension outside of it (I didn’t even know it’s possible).

Should be a candidate for

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