diff --git a/python/test.py b/python/test.py
index 3fd44474..e5f6794b 100644
--- a/python/test.py
+++ b/python/test.py
@@ -1,3 +1,5 @@
+print("A")
+
 import sys
 import argparse
 import snappy
@@ -19,11 +21,15 @@
 import snappy.exterior_to_link.test
 import snappy.pari
 
+print("B")
+
 from snappy.sage_helper import (_within_sage, doctest_modules, cyopengl_works,
                                 tk_root, root_is_fake, DocTestParser)
 from snappy import numeric_output_checker
 modules = []
 
+print("C")
+
 snappy.database.Manifold = snappy.SnapPy.Manifold
 
 # Augment tests for SnapPy with those that Cython missed
@@ -47,6 +53,8 @@
 for key in identify_tests + triangulation_tests + browser_tests:
     snappy.SnapPyHP.__test__.pop(key)
 
+print("D")
+
 
 def snap_doctester(verbose):
     return snappy.snap.test.run_doctests(verbose, print_info=False)
@@ -70,6 +78,8 @@ def snappy_database_doctester(verbose):
 
     return ans
 
+print("E")
+
 
 snappy_database_doctester.__name__ = 'snappy.database'
 
@@ -101,6 +111,8 @@ def ptolemy_doctester(verbose):
 if not _within_sage:
     modules.append(snappy.number)
 
+print("F")
+
 modules += [snappy.SnapPy,
             snappy.SnapPyHP,
             snappy_database_doctester,
@@ -136,6 +148,7 @@ def snappy_exterior_to_link_doctester(verbose):
 snappy_exterior_to_link_doctester.__name__ = 'snappy.exterior_to_link'
 modules.insert(0, snappy_exterior_to_link_doctester)
 
+print("G")
 
 def graphics_failures(verbose, windows, use_modernopengl):
     if cyopengl_works():
@@ -173,10 +186,14 @@ def runtests(verbose=False,
              use_modernopengl=True,
              graphics=True):
 
+    print("K1")
+    
     # The default PARI stacksize can (slightly) overflow, causing
     # doctests to fail.
     snappy.pari.allocatemem(2**24, 2**25, silent=True)
 
+    print("K2")
+
     DocTestParser.use_modernopengl = use_modernopengl
 
     result = doctest_modules(modules, verbose=verbose)
@@ -208,6 +225,12 @@ def runtests(verbose=False,
 
 if __name__ == '__main__':
 
+    import sys
+    if sys.platform == 'darwin':
+        raise Exception()
+    
+    print("MAIN")
+    
     verbose = False
     quick = False
     windows = False
@@ -231,4 +254,6 @@ def runtests(verbose=False,
                         help='skip tests bringing up GUI windows.')
     args = parser.parse_args(useful_args)
 
+    print("MAIN2")
+
     sys.exit(runtests(**vars(args)))