diff -rU3 chardet-3.0.4-orig/test.py chardet-3.0.4/test.py
--- chardet-3.0.4-orig/test.py	2019-10-03 13:29:21.914988914 +0200
+++ chardet-3.0.4/test.py	2019-10-03 13:51:34.783256817 +0200
@@ -19,7 +19,27 @@
     HAVE_HYPOTHESIS = True
 except ImportError:
     HAVE_HYPOTHESIS = False
-import pytest
+try:
+    import pytest
+except ImportError:
+    class pytest:
+        """Just enough pytest API to run the tests"""
+        class mark:
+            @staticmethod
+            def parametrize(name_string, cases):
+                """Run all given tests"""
+                def decorator(func):
+                    names = name_string.split(', ')
+                    for case in cases:
+                        print(case)
+                        func(**{name: val for name, val in zip(names, case)})
+                return decorator
+
+            @staticmethod
+            def xfail():
+                """Don't run this test"""
+                pass
+
 
 import chardet
 
@@ -59,7 +79,7 @@
             full_path = join(path, file_name)
             test_case = full_path, encoding
             if full_path in EXPECTED_FAILURES:
-                test_case = pytest.param(*test_case, marks=pytest.mark.xfail)
+                continue
             yield test_case