"Can't find program" exceptions are shown in an ugly way

[nedbat]

If you use "coverage run xyzzy.py" and xyzzy.py isn't found, the exception shows stack frames from coverage.py itself:

C:\ned\coverage\trunk> coverage run xyzzy.py
Traceback (most recent call last):
  File "c:\Python25\Scripts\coverage-script.py", line 8, in <module>
    load_entry_point('coverage==3.0.1', 'console_scripts', 'coverage')()
  File "C:\ned\coverage\trunk\coverage\cmdline.py", line 504, in main
    return CoverageScript().command_line(sys.argv[1:])
  File "C:\ned\coverage\trunk\coverage\cmdline.py", line 388, in command_line
    self.run_python_file(args[0], args)
  File "C:\ned\coverage\trunk\coverage\execfile.py", line 35, in run_python_file
    source = open(filename, 'rU').read()
IOError: [Errno 2] No such file or directory: 'xyzzy.py'

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• Bitbucket: https://bitbucket.org/ned/coveragepy/issue/23

[nedbat]

Fixed in <<changeset 5ae8bd351d4a (bb)>>

[nedbat]

Removing version: 3.0.1 (automated comment)

[nedbat]

Add Python 3.5 CI
fixes #23

→ <<cset 4b095cd90ed9 (bb)>>