fix: skip directories in package data entries

Author: satra

setup.py

@@ -283,6 +283,10 @@ def _package_status(pkg_name, version, version_getter, checker):
 
 
 def main(**extra_args):
+    thispath, _ = os.path.split(__file__)
+    testdatafiles = [pjoin('testing', 'data', val)
+                     for val in os.listdir(pjoin(thispath, 'nipype', 'testing', 'data'))
+                     if not os.path.isdir(pjoin(thispath, 'nipype', 'testing', 'data', val))]
     setup(name=NAME,
           maintainer=MAINTAINER,
           maintainer_email=MAINTAINER_EMAIL,
@@ -424,7 +428,7 @@ def main(**extra_args):
           # python -- duplicating things into MANIFEST.in but this is admittedly
           # only a workaround to get things started -- not a solution
           package_data={'nipype':
-                        [pjoin('testing', 'data', '*'),
+                         testdatafiles + [
                          pjoin('testing', 'data', 'dicomdir', '*'),
                          pjoin('testing', 'data', 'bedpostxout', '*'),
                          pjoin('testing', 'data', 'tbss_dir', '*'),