Do not use EXIF from info when saving PNG images

Tests/test_file_png.py

@@ -706,10 +706,18 @@ def test_exif(self):
         assert exif[274] == 3
 
     def test_exif_save(self, tmp_path):
+        # Test exif is not saved from info
+        test_file = str(tmp_path / "temp.png")
         with Image.open("Tests/images/exif.png") as im:
-            test_file = str(tmp_path / "temp.png")
             im.save(test_file)
 
+        with Image.open(test_file) as reloaded:
+            assert reloaded._getexif() is None
+
+        # Test passing in exif
+        with Image.open("Tests/images/exif.png") as im:
+            im.save(test_file, exif=im.getexif())
+
         with Image.open(test_file) as reloaded:
             exif = reloaded._getexif()
         assert exif[274] == 1
@@ -720,7 +728,7 @@ def test_exif_save(self, tmp_path):
     def test_exif_from_jpg(self, tmp_path):
         with Image.open("Tests/images/pil_sample_rgb.jpg") as im:
             test_file = str(tmp_path / "temp.png")
-            im.save(test_file)
+            im.save(test_file, exif=im.getexif())
 
         with Image.open(test_file) as reloaded:
             exif = reloaded._getexif()

src/PIL/PngImagePlugin.py

@@ -1383,7 +1383,7 @@ def _save(im, fp, filename, chunk=putchunk, save_all=False):
                 chunks.remove(cid)
                 chunk(fp, cid, data)
 
-    exif = im.encoderinfo.get("exif", im.info.get("exif"))
+    exif = im.encoderinfo.get("exif")
     if exif:
         if isinstance(exif, Image.Exif):
             exif = exif.tobytes(8)