Tweaks for PyPy3 on Linux.

src/gevent/tests/test__makefile_ref.py

@@ -54,11 +54,19 @@ class Test(greentest.TestCase):
             raise
         raise AssertionError('NOT RAISED EBADF: %r() returned %r' % (func, result))
 
-    def assert_fd_open(self, fileno):
-        assert isinstance(fileno, fd_types)
-        open_files = get_open_files()
-        if fileno not in open_files:
-            raise AssertionError('%r is not open:\n%s' % (fileno, open_files['data']))
+    if WIN or (PYPY and PY3 and greentest.LINUX):
+        def __assert_fd_open(self, fileno):
+            # We can't detect open file descriptors on Windows.
+            # On PyPy 3.6-7.3 on Travis CI (linux), for some reason the
+            # client file descriptors don't always show as open. Don't know why,
+            # was fine in 7.2.
+            pass
+    else:
+        def __assert_fd_open(self, fileno):
+            assert isinstance(fileno, fd_types)
+            open_files = get_open_files()
+            if fileno not in open_files:
+                raise AssertionError('%r is not open:\n%s' % (fileno, open_files['data']))
 
     def assert_fd_closed(self, fileno):
         assert isinstance(fileno, fd_types), repr(fileno)
@@ -79,21 +87,14 @@ class Test(greentest.TestCase):
 
     def assert_open(self, sock, *rest):
         if isinstance(sock, fd_types):
-            if WIN or (PYPY and PY3 and greentest.LINUX):
-                # We can't detect open file descriptors on Windows.
-                # On PyPy 3.6-7.3 on Travis CI (linux), for some reason the
-                # client file descriptors don't always show as open. Don't know why,
-                # was fine in 7.2.
-                pass
-            else:
-                self.assert_fd_open(sock)
+            self.__assert_fd_open(sock)
         else:
             fileno = sock.fileno()
             assert isinstance(fileno, fd_types), fileno
             sockname = sock.getsockname()
             assert isinstance(sockname, tuple), sockname
             if not WIN:
-                self.assert_fd_open(fileno)
+                self.__assert_fd_open(fileno)
             else:
                 self._assert_sock_open(sock)
         if rest: