Merge pull request #342 from effigies/issue_341

TST: Call current python executable in test_back_tick

Allow test to run in environments where Python executable is not `python`

Author: matthew-brett

nisext/tests/test_testers.py

@@ -5,17 +5,17 @@
 import os
 from os.path import dirname, pathsep
 
-from ..testers import back_tick, run_mod_cmd
+from ..testers import back_tick, run_mod_cmd, PYTHON
 
-from nose.tools import assert_true, assert_false, assert_equal, assert_raises
+from nose.tools import assert_true, assert_equal, assert_raises
 
 
 def test_back_tick():
-    cmd = 'python -c "print(\'Hello\')"'
+    cmd = '{0} -c "print(\'Hello\')"'.format(PYTHON)
     assert_equal(back_tick(cmd), "Hello")
     assert_equal(back_tick(cmd, ret_err=True), ("Hello", ""))
     assert_equal(back_tick(cmd, True, False), (b"Hello", b""))
-    cmd = 'python -c "raise ValueError()"'
+    cmd = '{0} -c "raise ValueError()"'.format(PYTHON)
     assert_raises(RuntimeError, back_tick, cmd)