diff --git a/Tests/test_file_icns.py b/Tests/test_file_icns.py
index 92fe136f2..5b3963c56 100644
--- a/Tests/test_file_icns.py
+++ b/Tests/test_file_icns.py
@@ -4,6 +4,12 @@ from PIL import Image
 
 import sys
 
+# The the default version of PyPy in Trusty is PyPy 5.4.1.
+# There is a known error in it: TypeError: PyPy does not yet implement the new buffer interface (issue #2163).
+
+SKIP_5_4_1_PYPY = hasattr(sys, 'pypy_version_info') and (
+    sys.pypy_version_info >= (5, 4, 1, 'final', 0))
+
 # sample icon file
 TEST_FILE = "Tests/images/pillow.icns"
 
@@ -35,6 +41,7 @@ class TestFileIcns(PillowTestCase):
         self.assertEqual(reread.size, (1024, 1024))
         self.assertEqual(reread.format, "ICNS")
 
+    @unittest.skipIf(SKIP_5_4_1_PYPY, "PyPy does not yet implement the new buffer interface")
     def test_sizes(self):
         # Check that we can load all of the sizes, and that the final pixel
         # dimensions are as expected
@@ -48,6 +55,7 @@ class TestFileIcns(PillowTestCase):
             self.assertEqual(im2.mode, 'RGBA')
             self.assertEqual(im2.size, (wr, hr))
 
+    @unittest.skipIf(SKIP_5_4_1_PYPY, "PyPy does not yet implement the new buffer interface")
     def test_older_icon(self):
         # This icon was made with Icon Composer rather than iconutil; it still
         # uses PNG rather than JP2, however (since it was made on 10.9).
@@ -61,6 +69,7 @@ class TestFileIcns(PillowTestCase):
             self.assertEqual(im2.mode, 'RGBA')
             self.assertEqual(im2.size, (wr, hr))
 
+    @unittest.skipIf(SKIP_5_4_1_PYPY, "PyPy does not yet implement the new buffer interface")
     def test_jp2_icon(self):
         # This icon was made by using Uli Kusterer's oldiconutil to replace
         # the PNG images with JPEG 2000 ones.  The advantage of doing this is
diff --git a/Tests/test_file_ico.py b/Tests/test_file_ico.py
index 3904340f3..7240dc398 100644
--- a/Tests/test_file_ico.py
+++ b/Tests/test_file_ico.py
@@ -1,8 +1,14 @@
 from helper import unittest, PillowTestCase, hopper
 
 import io
+import sys
 from PIL import Image, IcoImagePlugin
 
+# The the default version of PyPy in Trusty is PyPy 5.4.1.
+# There is a known error in it: TypeError: PyPy does not yet implement the new buffer interface (issue #2163).
+SKIP_5_4_1_PYPY = hasattr(sys, 'pypy_version_info') and (
+    sys.pypy_version_info >= (5, 4, 1, 'final', 0))
+
 # sample ppm stream
 TEST_ICO_FILE = "Tests/images/hopper.ico"
 
@@ -61,6 +67,7 @@ class TestFileIco(PillowTestCase):
         # Assert
         self.assertEqual(im_saved.size, (256, 256))
 
+    @unittest.skipIf(SKIP_5_4_1_PYPY, "PyPy does not yet implement the new buffer interface")
     def test_only_save_relevant_sizes(self):
         """Issue #2266 https://github.com/python-pillow/Pillow/issues/2266
         Should save in 16x16, 24x24, 32x32, 48x48 sizes
diff --git a/Tests/test_image_array.py b/Tests/test_image_array.py
index 11c2648bb..746e4c7a1 100644
--- a/Tests/test_image_array.py
+++ b/Tests/test_image_array.py
@@ -1,7 +1,13 @@
+import sys
 from helper import unittest, PillowTestCase, hopper
 
 from PIL import Image
 
+# The the default version of PyPy in Trusty is PyPy 5.4.1.
+# There is a known error in it: TypeError: PyPy does not yet implement the new buffer interface (issue #2163).
+SKIP_5_4_1_PYPY = hasattr(sys, 'pypy_version_info') and (
+    sys.pypy_version_info >= (5, 4, 1, 'final', 0))
+
 im = hopper().resize((128, 100))
 
 
@@ -24,6 +30,7 @@ class TestImageArray(PillowTestCase):
         self.assertEqual(test("RGBA"), (3, (100, 128, 4), '|u1', 51200))
         self.assertEqual(test("RGBX"), (3, (100, 128, 4), '|u1', 51200))
 
+    @unittest.skipIf(SKIP_5_4_1_PYPY, "PyPy does not yet implement the new buffer interface")
     def test_fromarray(self):
 
         class Wrapper(object):
diff --git a/Tests/test_imagefile.py b/Tests/test_imagefile.py
index 65f54eb8c..cb08dbc14 100644
--- a/Tests/test_imagefile.py
+++ b/Tests/test_imagefile.py
@@ -6,6 +6,12 @@ from PIL import Image
 from PIL import ImageFile
 from PIL import EpsImagePlugin
 
+import sys
+
+# The the default version of PyPy in Trusty is PyPy 5.4.1.
+# There is a known error in it: TypeError: PyPy does not yet implement the new buffer interface (issue #2163).
+SKIP_5_4_1_PYPY = hasattr(sys, 'pypy_version_info') and (
+    sys.pypy_version_info >= (5, 4, 1, 'final', 0))
 
 codecs = dir(Image.core)
 
@@ -71,6 +77,7 @@ class TestImageFile(PillowTestCase):
 
         self.assertRaises(IOError, lambda: roundtrip("PDF"))
 
+    @unittest.skipIf(SKIP_5_4_1_PYPY, "PyPy does not yet implement the new buffer interface")
     def test_ico(self):
         with open('Tests/images/python.ico', 'rb') as f:
             data = f.read()
diff --git a/Tests/test_imagepath.py b/Tests/test_imagepath.py
index 14cc4d14b..13503d136 100644
--- a/Tests/test_imagepath.py
+++ b/Tests/test_imagepath.py
@@ -59,7 +59,7 @@ class TestImagePath(PillowTestCase):
         if hasattr(arr, 'tobytes'):
             p = ImagePath.Path(arr.tobytes())
         else:
-            p = ImagePath.Path(arr.tostring())
+            p = ImagePath.Path((arr.tostring(),))
         self.assertEqual(list(p), [(0.0, 1.0)])
 
     def test_overflow_segfault(self):