Close #12182: Fix pydoc.HTMLDoc.multicolumn() if Python uses the new (true)

division (python -Qnew). Patch written by Ralf W. Grosse-Kunstleve.

Lib/pydoc.py

@@ -478,9 +478,9 @@ class HTMLDoc(Doc):
     def multicolumn(self, list, format, cols=4):
         """Format a list of items into a multi-column list."""
         result = ''
-        rows = (len(list)+cols-1)/cols
+        rows = (len(list)+cols-1)//cols
         for col in range(cols):
-            result = result + '<td width="%d%%" valign=top>' % (100/cols)
+            result = result + '<td width="%d%%" valign=top>' % (100//cols)
             for i in range(rows*col, rows*col+rows):
                 if i < len(list):
                     result = result + format(list[i]) + '<br>\n'

Misc/ACKS

@@ -458,6 +458,7 @@ Hannu Krosing
 Andrej Krpic
 Ivan Krstić
 Andrew Kuchling
+Ralf W. Grosse-Kunstleve
 Vladimir Kushnir
 Ross Lagerwall
 Cameron Laird

Misc/NEWS

@@ -83,6 +83,9 @@ Core and Builtins
 Library
 -------
 
+- Issue #12182: Fix pydoc.HTMLDoc.multicolumn() if Python uses the new (true)
+  division (python -Qnew). Patch written by Ralf W. Grosse-Kunstleve.
+
 - Issue #12175: RawIOBase.readall() now returns None if read() returns None.
 
 - Issue #12175: FileIO.readall() now raises a ValueError instead of an IOError