--- imghdr35.py	2016-11-02 16:54:11.351506360 -0400
+++ imghdr_py3.py	2016-11-02 16:37:20.519517721 -0400
@@ -1,7 +1,5 @@
 """Recognize image file formats based on their first few bytes."""
 
-from os import PathLike
-
 __all__ = ["what"]
 
 #-------------------------#
@@ -12,7 +10,7 @@
     f = None
     try:
         if h is None:
-            if isinstance(file, (str, PathLike)):
+            if isinstance(file, str):
                 f = open(file, 'rb')
                 h = f.read(32)
             else:
@@ -124,6 +122,23 @@
 
 tests.append(test_exr)
 
+def test_jpeg1(h, f):
+    """JPEG data in JFIF format"""
+    if b'JFIF' in h[:23]:
+        return 'jpeg'
+
+tests.append(test_jpeg1)
+
+JPEG_MARK = b'\xff\xd8\xff\xdb\x00C\x00\x08\x06\x06' \
+            b'\x07\x06\x05\x08\x07\x07\x07\t\t\x08\n\x0c\x14\r\x0c\x0b\x0b\x0c\x19\x12\x13\x0f'
+
+def test_jpeg2(h, f):
+    """JPEG with small header"""
+    if len(h) >= 32 and 67 == h[5] and h[:32] == JPEG_MARK:
+        return 'jpeg'
+
+tests.append(test_jpeg2)
+
 #--------------------#
 # Small test program #
 #--------------------#