test_versionpredicate.py: Fix undefined name unittest #15

Job	Run time
Generate test matrix	5s
Run build (aifc, 3.13)	17s
Run build (asynchat, 3.13)	20s
Run build (asyncore, 3.13)	18s
Run build (cgi, 3.13)	19s
Run build (cgitb, 3.13)	17s
Run build (chunk, 3.13)	18s
Run build (crypt, 3.13)	18s
Run build (imghdr, 3.13)	19s
Run build (mailcap, 3.13)	19s
Run build (nntplib, 3.13)	19s
Run build (pipes, 3.13)	17s
Run build (smtpd, 3.13)	15s
Run build (sndhdr, 3.13)	18s
Run build (sunau, 3.13)	17s
Run build (telnetlib, 3.13)	20s
Run build (uu, 3.13)	16s
Run build (xdrlib, 3.13)	19s
Release	0s
Sign the Python 🐍 distribution 📦 with Sigstore and upload them to GitHub Release	0s
	5m 11s

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