diff --git a/distlib/util.py b/distlib/util.py
index ba58858..5a39912 100644
--- a/distlib/util.py
+++ b/distlib/util.py
@@ -619,8 +619,10 @@ def byte_compile(self,
             compile_kwargs = {}
             if hashed_invalidation and hasattr(py_compile,
                                                'PycInvalidationMode'):
+                if not isinstance(hashed_invalidation, py_compile.PycInvalidationMode):
+                    hashed_invalidation = py_compile.PycInvalidationMode.CHECKED_HASH
                 compile_kwargs[
-                    'invalidation_mode'] = py_compile.PycInvalidationMode.CHECKED_HASH
+                    'invalidation_mode'] = hashed_invalidation
             py_compile.compile(path, dpath, diagpath, True,
                                **compile_kwargs)  # raise error
         self.record_as_written(dpath)
diff --git a/distlib/wheel.py b/distlib/wheel.py
index 4a5a30e..6e7f019 100644
--- a/distlib/wheel.py
+++ b/distlib/wheel.py
@@ -513,7 +513,7 @@ def install(self, paths, maker, **kwargs):
         installed, and the headers, scripts, data and dist-info metadata are
         not written. If kwarg ``bytecode_hashed_invalidation`` is True, written
         bytecode will try to use file-hash based invalidation (PEP-552) on
-        supported interpreter versions (CPython 2.7+).
+        supported interpreter versions (CPython 3.7+).
 
         The return value is a :class:`InstalledDistribution` instance unless
         ``options.lib_only`` is True, in which case the return value is ``None``.