Fixing issue #22. Removing the keyword argument allow_missing_files. don't ask...

Fixing issue #22. Removing the keyword argument allow_missing_files. don't ask why this passed before.
12 jobs for issue-22 in 11 minutes and 6 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Build
passed #100611
conda-linux
build_linux_27

00:04:56

passed #100612
conda-linux
build_linux_35

00:02:23

passed #100613
conda-linux
build_linux_36

00:02:30

passed #100614
conda-macosx
build_macosx_27

00:02:32

passed #100615
conda-macosx
build_macosx_35

00:02:26

passed #100616
conda-macosx
build_macosx_36

00:02:16

 
  Test
passed #100617
conda-linux
test_linux_27

00:02:48

62.0%
passed #100618
conda-linux
test_linux_35

00:02:15

62.0%
passed #100619
conda-linux
test_linux_36

00:02:47

62.0%
passed #100620
conda-macosx
test_macosx_27

00:03:30

62.0%
passed #100621
conda-macosx
test_macosx_35

00:03:30

62.0%
passed #100622
conda-macosx
test_macosx_36

00:03:34

62.0%