py3: fix couple of division operator to do integer divison

Differential Revision: https://phab.mercurial-scm.org/D5305

hgext/remotefilelog/basepack.py

@@ -45,7 +45,7 b' LARGEFANOUTPREFIX = 2'
 # bisect) with (8 step fanout scan + 1 step bisect)
 # 5 step bisect = log(2^16 / 8 / 255)  # fanout
 # 10 step fanout scan = 2^16 / (2^16 / 8)  # fanout space divided by entries
-SMALLFANOUTCUTOFF = 2**16 / 8
+SMALLFANOUTCUTOFF = 2**16 // 8
 
 # The amount of time to wait between checking for new packs. This prevents an
 # exception when data is moved to a new pack after the process has already

hgext/remotefilelog/historypack.py

@@ -252,7 +252,7 b' class historypack(basepack.basepack):'
             return self._index[end:end + entrylen]
         else:
             while start < end - entrylen:
-                mid = start + (end - start) / 2
+                mid = start + (end - start) // 2
                 mid = mid - ((mid - origstart) % entrylen)
                 midnode = self._index[mid:mid + NODELENGTH]
                 if midnode == node: