py3: use integer division in histedit
Histedit uses the `/` operator, which does type conversion to float in
Python 3 instead of integer division likeon Python 2. Let's preserve
the Python 2 behavior by importing and using the `//` operator.
Differential Revision: https://phab.mercurial-scm.org/D8324
--- a/hgext/histedit.py Wed Mar 25 10:06:32 2020 +0100
+++ b/hgext/histedit.py Tue Mar 24 23:31:36 2020 -0700
@@ -1267,7 +1267,7 @@
num_lines = len(mode_state[b'patchcontents'])
page_height = state[b'page_height']
unit = page_height if unit == b'page' else 1
- num_pages = 1 + (num_lines - 1) / page_height
+ num_pages = 1 + (num_lines - 1) // page_height
max_offset = (num_pages - 1) * page_height
newline = mode_state[b'line_offset'] + delta * unit
mode_state[b'line_offset'] = max(0, min(max_offset, newline))