remotefilelog: adjust the signature of basepack.createindex pytype point that the subclass signature have been updated.

pytype: add the couple annotations for pytype to understands the lrunode After loosing 2d6 SAN, I eventually understood that pytype was confused by method return type. Pytype is now happy.

pytype: ignore some signature mismatch in registrar pytype is grumpy about a sub method having a different signature than the one we use here. pytype error: internalmerge: Overriding method signature mismatch [signature-mismatch] Base signature: 'def _funcregistrarbase._extrasetup(self, name, func) -> Any'. Subclass signature: 'def internalmerge._extrasetup(self, name, func, mergetype, onfailure = None, precheck = None, binary = False, symlink = False) -> Any'. Parameter 'mergetype' must have a default value.

hgweb: update _runwsgi try/except range to be valid The `tmpl` variable is used in the `except` and `finally`, so we need it created before the `try` is open.

pytype: add type information for `annotateresult.lines` This seems to appease a confused pytype.

pytype: ignore attribute error for time.clock This seems to be a Windows only attribute.

pytype: ignore certifi import error This is an optional import so we should not complains about it.