diff --git a/PIL/TiffImagePlugin.py b/PIL/TiffImagePlugin.py
index b95fde51d..6a52e5e5c 100644
--- a/PIL/TiffImagePlugin.py
+++ b/PIL/TiffImagePlugin.py
@@ -149,6 +149,7 @@ OPEN_INFO = {
     (II, 0, 1, 2, (8,), ()): ("L", "L;IR"),
     (II, 0, 3, 1, (32,), ()): ("F", "F;32F"),
     (II, 1, 1, 1, (1,), ()): ("1", "1"),
+    (II, 1, 1, 1, (4,), ()): ("L", "L;4"),
     (II, 1, 1, 2, (1,), ()): ("1", "1;R"),
     (II, 1, 1, 1, (8,), ()): ("L", "L"),
     (II, 1, 1, 1, (8, 8), (2,)): ("LA", "LA"),
@@ -449,10 +450,10 @@ class ImageFileDirectory(collections.MutableMapping):
             if size > 4:
                 here = fp.tell()
                 if Image.DEBUG:
-                    print ("Tag Location: %s" %here)
+                    print("Tag Location: %s" % here)
                 fp.seek(i32(ifd, 8))
                 if Image.DEBUG:
-                    print ("Data Location: %s" %fp.tell())
+                    print("Data Location: %s" % fp.tell())
                 data = ImageFile._safe_read(fp, size)
                 fp.seek(here)
             else:
@@ -659,19 +660,19 @@ class TiffImageFile(ImageFile.ImageFile):
             if not self.__next:
                 raise EOFError("no more images in TIFF file")
             if Image.DEBUG:
-                print("Seeking to frame %s, on frame %s, __next %s, location: %s"%
-                      (frame, self.__frame, self.__next, self.fp.tell()))            
+                print("Seeking to frame %s, on frame %s, __next %s, location: %s" %
+                      (frame, self.__frame, self.__next, self.fp.tell()))
             # reset python3 buffered io handle in case fp
             # was passed to libtiff, invalidating the buffer
             self.fp.tell()
             self.fp.seek(self.__next)
             if Image.DEBUG:
-                print("Loading tags, location: %s"%self.fp.tell())
+                print("Loading tags, location: %s" % self.fp.tell())
             self.tag.load(self.fp)
             self.__next = self.tag.next
             self.__frame += 1
         self._setup()
-        
+
     def _tell(self):
         return self.__frame
 
diff --git a/Tests/images/hopper_gray_4bpp.tif b/Tests/images/hopper_gray_4bpp.tif
new file mode 100644
index 000000000..7d23958a7
Binary files /dev/null and b/Tests/images/hopper_gray_4bpp.tif differ
diff --git a/Tests/test_file_tiff.py b/Tests/test_file_tiff.py
index 2241123ac..d31d1af7e 100644
--- a/Tests/test_file_tiff.py
+++ b/Tests/test_file_tiff.py
@@ -144,28 +144,27 @@ class TestFileTiff(PillowTestCase):
     def test_multipage(self):
         # issue #862
         im = Image.open('Tests/images/multipage.tiff')
-        # file is a multipage tiff,  10x10 green, 10x10 red, 20x20 blue
+        # file is a multipage tiff: 10x10 green, 10x10 red, 20x20 blue
 
         im.seek(0)
-        self.assertEqual(im.size, (10,10))
-        self.assertEqual(im.convert('RGB').getpixel((0,0)), (0,128,0))
+        self.assertEqual(im.size, (10, 10))
+        self.assertEqual(im.convert('RGB').getpixel((0, 0)), (0, 128, 0))
 
         im.seek(1)
         im.load()
-        self.assertEqual(im.size, (10,10))
-        self.assertEqual(im.convert('RGB').getpixel((0,0)), (255,0,0))
+        self.assertEqual(im.size, (10, 10))
+        self.assertEqual(im.convert('RGB').getpixel((0, 0)), (255, 0, 0))
 
         im.seek(2)
         im.load()
-        self.assertEqual(im.size, (20,20))
-        self.assertEqual(im.convert('RGB').getpixel((0,0)), (0,0,255))
+        self.assertEqual(im.size, (20, 20))
+        self.assertEqual(im.convert('RGB').getpixel((0, 0)), (0, 0, 255))
 
     def test_multipage_last_frame(self):
         im = Image.open('Tests/images/multipage-lastframe.tif')
         im.load()
-        self.assertEqual(im.size, (20,20))
-        self.assertEqual(im.convert('RGB').getpixel((0,0)), (0,0,255))
-
+        self.assertEqual(im.size, (20, 20))
+        self.assertEqual(im.convert('RGB').getpixel((0, 0)), (0, 0, 255))
 
     def test___str__(self):
         # Arrange
@@ -199,7 +198,6 @@ class TestFileTiff(PillowTestCase):
 
     def test_load_byte(self):
         # Arrange
-        from PIL import TiffImagePlugin
         ifd = TiffImagePlugin.ImageFileDirectory()
         data = b"abc"
 
@@ -211,7 +209,6 @@ class TestFileTiff(PillowTestCase):
 
     def test_load_string(self):
         # Arrange
-        from PIL import TiffImagePlugin
         ifd = TiffImagePlugin.ImageFileDirectory()
         data = b"abc\0"
 
@@ -223,7 +220,6 @@ class TestFileTiff(PillowTestCase):
 
     def test_load_float(self):
         # Arrange
-        from PIL import TiffImagePlugin
         ifd = TiffImagePlugin.ImageFileDirectory()
         data = b"abcdabcd"
 
@@ -235,7 +231,6 @@ class TestFileTiff(PillowTestCase):
 
     def test_load_double(self):
         # Arrange
-        from PIL import TiffImagePlugin
         ifd = TiffImagePlugin.ImageFileDirectory()
         data = b"abcdefghabcdefgh"
 
@@ -298,6 +293,19 @@ class TestFileTiff(PillowTestCase):
         # Assert
         self.assertEqual(ret, [0, 1])
 
+    def test_4bit(self):
+        # Arrange
+        test_file = "Tests/images/hopper_gray_4bpp.tif"
+        original = hopper("L")
+
+        # Act
+        im = Image.open(test_file)
+
+        # Assert
+        self.assertEqual(im.size, (128, 128))
+        self.assertEqual(im.mode, "L")
+        self.assert_image_similar(im, original, 7.3)
+
 
     def test_page_number_x_0(self):
         # Issue 973