fix(api): Fix tracing TypeError for static and class methods #205

Job	Run time
Web Frameworks 2 (latest) (3.5, ubuntu-20.04)	1m 2s
Web Frameworks 2 (pinned) (3.5, ubuntu-20.04)	5m 47s
Web Frameworks 2 (latest) (3.6, ubuntu-20.04)	1m 8s
Web Frameworks 2 (pinned) (3.6, ubuntu-20.04)	4m 6s
Web Frameworks 2 (latest) (3.7, ubuntu-20.04)	1m 24s
Web Frameworks 2 (py27)	5m 4s
Web Frameworks 2 (pinned) (3.7, ubuntu-20.04)	6m 54s
Web Frameworks 2 (latest) (3.8, ubuntu-20.04)	2m 43s
Web Frameworks 2 (pinned) (3.8, ubuntu-20.04)	3m 42s
Web Frameworks 2 (latest) (3.11, ubuntu-20.04)	3m 34s
Web Frameworks 2 (pinned) (3.9, ubuntu-20.04)	1m 35s
Web Frameworks 2 (latest) (3.12, ubuntu-20.04)	3m 8s
Web Frameworks 2 (pinned) (3.11, ubuntu-20.04)	6m 11s
Web Frameworks 2 (pinned) (3.12, ubuntu-20.04)	3m 34s
All Web Frameworks 2 tests passed	1s
	49m 53s

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