[issue9317] Incorrect coverage file from trace test_pickle.py

[Alexander Belopolsky]

Alexander Belopolsky <belopolsky at users.sourceforge.net> added the comment:

Here is another problem: with no file x in cwd,

$ ./python.exe -m trace  -c -f x traceme.py
Skipping counts file 'x': [Errno 2] No such file or directory: 'x'

This one seems to exist in both 2.7 and 3.x.  Creating empty counts file helps.

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<http://bugs.python.org/issue9317>
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