12:34:56.78 >>> Start generator f in File "/path/to_file.py", line 12
12:34:56.78 ...... x1 = 0
12:34:56.78   12 | def f(x1):
12:34:56.78   13 |     assert not original_tracer_active()
12:34:56.78   14 |     _x2 = (yield x1)
12:34:56.78 <<< Yield value from f: 0
12:34:56.78 >>> Start generator f in File "/path/to_file.py", line 14
12:34:56.78 .......... x1 = 0
12:34:56.78   14 |     _x2 = (yield x1)
12:34:56.78 .......... _x2 = 'blabla'
12:34:56.78   15 |     assert not original_tracer_active()
12:34:56.78   16 |     _x3 = 'foo'
12:34:56.78   17 |     assert not original_tracer_active()
12:34:56.78   18 |     _x4 = (yield 2)
12:34:56.78 <<< Yield value from f: 2
12:34:56.78 >>> Start generator f in File "/path/to_file.py", line 18
12:34:56.78 .......... x1 = 0
12:34:56.78 .......... _x2 = 'blabla'
12:34:56.78 .......... _x3 = 'foo'
12:34:56.78   18 |     _x4 = (yield 2)
12:34:56.78 .......... _x4 = 'looloo'
12:34:56.78   19 |     assert not original_tracer_active()
12:34:56.78 <<< Return value from f: None