human
Solve the following python programming problem given the following code:
def _glfw_get_version(filename) : 
    '
    Queries and returns the library version tuple or None by using a
    subprocess.
    ' 
    version_checker_source = "
        import sys
        import ctypes

        def get_version(library_handle):
            '''
            Queries and returns the library version tuple or None.
            '''
            major_value = ctypes.c_int(0)
            major = ctypes.pointer(major_value)
            minor_value = ctypes.c_int(0)
            minor = ctypes.pointer(minor_value)
            rev_value = ctypes.c_int(0)
            rev = ctypes.pointer(rev_value)
            if hasattr(library_handle, 'glfwGetVersion'):
                library_handle.glfwGetVersion(major, minor, rev)
                version = (major_value.value,
                           minor_value.value,
                           rev_value.value)
                return version
            else:
                return None

        try:
            input_func = raw_input
        except NameError:
            input_func = input
        filename = input_func().strip()

        try:
            library_handle = ctypes.CDLL(filename)
        except OSError:
            pass
        else:
            version = get_version(library_handle)
            print(version)
    " 
    args = [sys.executable, '-c', textwrap.dedent (version_checker_source)] 
    process = subprocess.Popen (args, universal_newlines = True, stdin = subprocess.PIPE, stdout = subprocess.PIPE) 
    out = process.communicate (_to_char_p (process)) [0] 
    out = out.strip () 
    if out : 
        return eval (out) 
else : 
        return None 

    
    

    Fix the buggy line: out = process.communicate (_to_char_p (process)) [0]
assistant
#Here is Python code to fix the buggy line: out = process.

out = process.communicate (_to_char_p (filename)) [0]