Adding pip dependencies to spacepy module.

puppet/modules/spacepy/manifests/init.pp

@@ -4,8 +4,14 @@ class spacepy {
 #
 
     package { 'python-pip': ensure => 'latest' }
-    # TODO: pip install Sphinx
-    # TODO: pip install numpydoc
+    exec { 'Sphinx':
+        command => '/bin/pip install Sphinx',
+	require => Package['python-pip']
+    }
+    exec { 'numpydoc':
+        command => '/bin/pip install numpydoc',
+	require => Exec['Sphinx']
+    }
     package { 'numpy': ensure => 'latest' }
     package { 'scipy': ensure => 'latest' }
     package { 'h5py': ensure => 'latest' }