diff --git a/src/PIL/ImageOps.py b/src/PIL/ImageOps.py
index f316a307c..f183c8f27 100644
--- a/src/PIL/ImageOps.py
+++ b/src/PIL/ImageOps.py
@@ -557,7 +557,7 @@ def invert(image):
     :param image: The image to invert.
     :return: An image.
     """
-    lut = [255 - i for i in range(256)]
+    lut = list(range(255, -1, -1))
     return image.point(lut) if image.mode == "1" else _lut(image, lut)
 
 
diff --git a/src/PIL/PcfFontFile.py b/src/PIL/PcfFontFile.py
index 1f5727eca..8b0014f3a 100644
--- a/src/PIL/PcfFontFile.py
+++ b/src/PIL/PcfFontFile.py
@@ -129,7 +129,7 @@ class PcfFontFile(FontFile.FontFile):
         nprops = i32(fp.read(4))
 
         # read property description
-        p = [(i32(fp.read(4)), i8(fp.read(1)), i32(fp.read(4))) for i in range(nprops)]
+        p = [(i32(fp.read(4)), i8(fp.read(1)), i32(fp.read(4))) for _ in range(nprops)]
 
         if nprops & 3:
             fp.seek(4 - (nprops & 3), io.SEEK_CUR)  # pad
diff --git a/src/PIL/SpiderImagePlugin.py b/src/PIL/SpiderImagePlugin.py
index 9c06766ff..14cad8f9a 100644
--- a/src/PIL/SpiderImagePlugin.py
+++ b/src/PIL/SpiderImagePlugin.py
@@ -238,7 +238,7 @@ def makeSpiderHeader(im):
     if nvalues < 23:
         return []
 
-    hdr = [0.0 for _ in range(nvalues)]
+    hdr = [0.0] * nvalues
 
     # NB these are Fortran indices
     hdr[1] = 1.0  # nslice (=1 for an image)