[Python] An OsError appears when using canvas_dump method in scapy module

my platform is windows10, and I intall scapy which version is 2.6.1, I also intall pyx and miktex.

when I execute below codes, an error occurs!

from scapy.all import *
pkt = IP() / UDP() / DNS(qd=DNSQR())
pkt.canvas_dump()


File f:\conda\envs\scapy\Lib\site-packages\pyx\config.py:397, in open(filename, formats, ascii) 395 else: 396 logger_filelocator.info("PyX filelocator failed to find {} of formats {}".format(filename, names)) --> 397 raise IOError("Could not locate the file '%s'." % filename) 398 if ascii: 399 return io.TextIOWrapper(file, encoding="ascii", errors="surrogateescape")

OSError: Could not locate the file 'psfonts.map'.

'psfonts.map' should be available at 'C:/Users/pktko/AppData/Local/MiKTeX/fonts/map/dvips/psfonts.map' according to kpsewhich, but the file is not available at this location; update your kpsewhich database

However ,I check the path mentioned on the error report, and the file exist!

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