created py-tomopy package and fixed its dependencies (#4576)

* added py-tomopy package

* fixed dependencies and added import_modules

* edited deps for tomopy with import_modules and added py-olefile pkg

* changed module name

* changed dependency to python because it will not build with setuptools

* fixed dependency list for py-tomopy and py-dxchange

* added py-nose dependency

* fixed tests

* commented out dependency py-counter

* fixed dependency py-pybtex-docutils

* removed nose as a dependency

* fixed flake8 errors

* fixed import_modules

* fixed import_modules indent

* fixed various issues in tomopy and deps files

var/spack/repos/builtin/packages/py-olefile/package.py

@@ -0,0 +1,38 @@
+##############################################################################
+# Copyright (c) 2013-2016, Lawrence Livermore National Security, LLC.
+# Produced at the Lawrence Livermore National Laboratory.
+#
+# This file is part of Spack.
+# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
+# LLNL-CODE-647188
+#
+# For details, see https://github.com/llnl/spack
+# Please also see the LICENSE file for our notice and the LGPL.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License (as
+# published by the Free Software Foundation) version 2.1, February 1999.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
+# conditions of the GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+##############################################################################
+from spack import *
+
+
+class PyOlefile(PythonPackage):
+    """Python package to parse, read and write Microsoft OLE2 files"""
+
+    homepage = "https://www.decalage.info/python/olefileio"
+    url      = "https://pypi.io/packages/source/o/olefile/olefile-0.44.zip"
+
+    import_modules = ['olefile']
+
+    version('0.44', 'fc625554e4e7f0c2ddcd00baa3c74ff5')
+
+    depends_on('python@2.6:', type=('build', 'run'))