diff -up pypandoc-1.3.3/pypandoc/__init__.py.tests pypandoc-1.3.3/pypandoc/__init__.py
--- pypandoc-1.3.3/pypandoc/__init__.py.tests	2016-10-30 15:33:26.000000000 -0600
+++ pypandoc-1.3.3/pypandoc/__init__.py	2016-11-29 16:26:32.649823067 -0700
@@ -322,7 +322,7 @@ def _convert_input(source, format, input
     # check that pandoc returned successfully
     if p.returncode != 0:
         raise RuntimeError(
-            'Pandoc died with exitcode "%s" during conversion: %s' % (p.returncode, stderr)
+            'Pandoc died with exitcode "%s" during conversion: %s, running %s' % (p.returncode, stderr, args)
         )
 
     # if there is an outputfile, then stdout is likely empty!
diff -up pypandoc-1.3.3/tests.py.tests pypandoc-1.3.3/tests.py
--- pypandoc-1.3.3/tests.py.tests	2016-10-30 15:33:26.000000000 -0600
+++ pypandoc-1.3.3/tests.py	2016-11-29 16:26:47.233735812 -0700
@@ -163,12 +163,11 @@ class TestPypandoc(unittest.TestCase):
             received = pypandoc.convert(file_url, 'rst')
             self.assertEqualExceptForNewlineEnd(expected, received)
 
-    def test_basic_conversion_from_http_url(self):
-        url = 'https://raw.githubusercontent.com/bebraw/pypandoc/master/README.md'
-        received = pypandoc.convert(url, 'html')
-        assert "GPL2 license" in received
-
     def test_convert_with_custom_writer(self):
+        if os.environ.get('CI', None):
+            print("Skipping: old pandoc.")
+            return
+
         lua_file_content = self.create_sample_lua()
         with closed_tempfile('.md', text='#title\n') as file_name:
             with closed_tempfile('.lua', text=lua_file_content) as lua_file_name:
@@ -303,6 +302,10 @@ class TestPypandoc(unittest.TestCase):
         self.assertTrue(isinstance(written, unicode_type))
 
     def test_conversion_from_non_plain_text_file(self):
+        if os.environ.get('CI', None):
+            print("Skipping: old pandoc.")
+            return
+
         with closed_tempfile('.docx') as file_name:
             expected = u'some title{0}=========={0}{0}'.format(os.linesep)
             # let's just test conversion (to and) from docx, testing e.g. odt