pytype: stop excluding lsprof.py

Whatever was previously flagged in this file appears to have been fixed.

Differential Revision: https://phab.mercurial-scm.org/D11913

tests/test-check-pytype.t

@@ -26,7 +26,6 b' mercurial/httppeer.py # [attribu'
 mercurial/interfaces          # No attribute 'capabilities' on peer [attribute-error]
 mercurial/keepalive.py        # [attribute-error]
 mercurial/localrepo.py        # [attribute-error]
-mercurial/lsprof.py           # unguarded import
 mercurial/manifest.py         # [unsupported-operands], [wrong-arg-types]
 mercurial/minirst.py          # [unsupported-operands], [attribute-error]
 mercurial/patch.py            # [wrong-arg-types]
@@ -71,7 +70,6 b' development, but may be a hinderance for'
   >    -x mercurial/interfaces \
   >    -x mercurial/keepalive.py \
   >    -x mercurial/localrepo.py \
-  >    -x mercurial/lsprof.py \
   >    -x mercurial/manifest.py \
   >    -x mercurial/minirst.py \
   >    -x mercurial/patch.py \